Chou Tien-chen: Taiwan's Badminton No.1, Swinging at World No.2 Height

30‑second overview: Chou Tien-chen, born 1990 in Taipei, is Taiwan’s leading men’s singles badminton player. He won the 2014 French Open, becoming the first Taiwanese player to capture a BWF Super Series men’s singles title.¹ In August 2019 he rose to world No. 2, the highest ever ranking for a Taiwanese men’s singles player.² He is the first Taiwanese player to defeat “the world king” Lin Dan on the international stage.³ He represented Chinese Taipei at three consecutive Olympic Games, reaching the quarterfinals each time.¹ In early 2023 a routine colonoscopy revealed early‑stage colon cancer; he underwent surgery and, within days, flew abroad to compete, weathering a nearly year‑long slump.⁴ The following year, at age 34, he reached the quarterfinals at the Paris Olympics.⁵ At 36 he remains one of the oldest regulars in the world’s top tier.⁶

A Flashy Kid

Chou’s badminton journey began with his parents’ simple wish: to give their energetic son an outlet for running, jumping, and “releasing electricity.”² After his interest emerged, he transferred in third grade to Shuanglian Elementary School, which had a dedicated badminton team.²

His first coach, Chen Wen‑ping, did not give him a flattering assessment—“technique too flashy, insufficient leg strength.”² He was also temperamental, overly competitive, and prone to clashes with teammates, making him difficult to coach.² At the time, no one could foresee that this show‑off, restless child would one day become world No. 2.

The turning point came in sixth grade, when he won his first national title and met the person who would reshape his career: Indonesian‑born coach Cheng Yung‑cheng, a former world No. 4.⁷ From Shuanglian Junior High to Keelung High School, Cheng guided him, grinding his fiery temperament into patience.⁷ Coincidentally, Cheng also served as one of the early coaches of Taiwanese badminton star Tai Tzu‑ying, linking the “big brother–big sister” of Taiwanese badminton to the same Indonesian mentor.² Chou later said he is most grateful to his coach for grinding away his childhood impulsiveness.²

Ten Straight Losses, Then World No. 2

In 2009, at age 19, Chou joined the CTBC Badminton Team and entered the national‑team system, officially beginning his professional career.² The start was far from sweet; Taiwanese men’s singles had long been a supporting act on the world stage, and no one had paved a path for him, so he had to forge his own way match by match.

The most humiliating stretch came in the first half of 2014. Facing top‑level opponents, he suffered ten consecutive defeats, unable to break through the barrier until the Canada Open in July halted the losing streak.⁸ He later reflected that his technique was still immature and his on‑court thinking was lacking; he often simply returned the shuttle without deeper strategy.⁸ He set a personal rule: after each loss, he must extract at least one point of improvement.⁸

He rebounded faster than anyone expected. In October 2014, at the French Open, he became the first Taiwanese player to win a BWF Super Series men’s singles title.¹ In 2016 he ended a 17‑year wait by capturing the Taipei Open, the first home‑grown champion in years.¹ At the 2018 Jakarta Asian Games he earned a men’s singles silver medal.¹

2019 was his peak. He defeated Denmark’s Anders Antonsen in the Indonesia Open final, securing his first Super 1000 title.² In August of that year his world ranking rose to No. 2—the first time any Taiwanese men’s singles player had reached that position.² The following year at the All England Open, with the then‑king Viktor Axelsen absent due to a car accident, Chou entered as the top seed but fell to Denmark’s Viktor Axelsen in the final, taking silver.² He added a bronze at the 2022 World Championships¹ and, while still with CTBC, helped Chinese Taipei claim the men’s team bronze at the 2024 Thomas Cup.²

A Style Called “Grinding”

Chou is not a player who tries to finish opponents with a single smash. His signature is a patient “pull‑and‑rally” game: he searches for openings in long exchanges, displays delicate net play, and finishes points with well‑timed attacking shots.² Early in his career he relied on stamina to wear down opponents; later he shifted to a defensive foundation that waits for the right moment to strike, disguising his attack timing.⁹

This “grinding” style earned him a tongue‑in‑cheek nickname: “the Shadow King.” On court he often appears breathless, seemingly on the brink of exhaustion, yet he snatches a lost game back in the deciding set. Chinese fans dubbed him the “Shadow King,” but Chou clarified that the nickname simply reflects his genuine fatigue, not a staged performance.¹⁰

It was this resilience that enabled him, at the 2015 Taipei Open, to become the first Taiwanese player to defeat “the world king” Lin Dan on an international stage.³ In his era, the men’s singles field was dominated by legends such as Lin Dan, Lee Zheng‑fei, Chen Long, and Kento Momota; Chou often pushed these opponents to three games, losing only by the slimmest margins.⁹ Lacking any overwhelming natural talent, he relied on consistency and an unwillingness to quit to grind his way into the world’s top five.

Appendicitis, Church, and a Slow‑Blooming Self‑Coach

During a slump in 2012, Chou’s physiotherapist invited him to a church service.¹¹ The real turning point came the following year: before the 2013 India Open, he suffered severe abdominal pain, fought through the match, and was later diagnosed with perforated appendicitis.² After surgery, during rehabilitation, he was baptized and became a Christian.²

Faith soon became part of his routine. He often visits local churches while traveling for tournaments, and sings hymns before matches or during recovery periods.² Chou says faith accelerated his mental maturity, transforming the hot‑headed child who frequently clashed with others into a calmer, more composed person.¹¹ On court he may look strained, but off court he relaxes, joking with teammates and showing a lighter side.²

Coaching Himself

Starting in 2019, Chou made the rare decision among elite athletes to stop hiring a full‑time coach and become his own coach, planning his own training and making tactical decisions independently on court.¹² Even at the Olympics, he sometimes competed without a coach, pursuing an “unconventional” preparation path.¹³ He sums up his reliance on a higher power with a single sentence: “God is my coach.”¹²

This arrangement demands extreme self‑discipline. During the COVID‑19 pandemic he lived long‑term at the Kaohsiung National Sports Training Center, isolating in a “bubble” to focus on preparation; he says the isolation actually helped his concentration.¹³ Commentators repeatedly describe him with the same set of words: hard‑working, disciplined, humble. In a sport that often glorifies raw talent, he has turned “doing the daily work” into his greatest weapon.

A Routine Checkup Reveals Colon Cancer

In early 2023, while on a break from competition, Chou underwent a routine colonoscopy that uncovered early‑stage colon cancer.⁴

He promptly underwent a deep resection surgery, leaving an absorbable clip inside his intestine to seal the wound.⁴ Fortunately, the cancer had not spread. He barely paused his career; a few days after surgery he flew abroad to compete, continued training, but his diet was heavily affected and his body took a long time to recover.⁴ Over the next year he was eliminated in early rounds repeatedly, failing to break into the quarterfinals for seven months, prompting public speculation about whether a 34‑year‑old was “too old.” He knew the issue was the illness, not his age.⁴

He kept the diagnosis private until November 2023, when he won the German Heilbronn Open and first shared his story in church.⁴ In February 2024 he claimed the Thailand Masters title at age 34 and 27 days, becoming, after Lee Hsin‑yi, Lee Zheng‑fei, and Lin Dan, the fourth oldest men’s singles champion in World Tour history.¹⁴ On the podium he disclosed his cancer battle: “I made it through.” He said the experience reinforced his belief that, no matter the setbacks, perseverance always leads to answers.⁴

Paris: Quarterfinals Against the Wind

The Olympics remain an unfinished chapter for Chou. At Rio 2016 he reached the quarterfinals but lost 0‑2 to Malaysia’s Lee Zheng‑fei.² In Tokyo 2021 he again made the quarterfinals, losing a tight three‑game match to China’s Chen Long, 14‑21 in the decider.² In the summer of 2024 he returned for his third Olympic appearance.¹ Fresh from cancer surgery, he roared in the group stage, energising the Chinese Taipei squad with a perfect record and advancing to the round of 16.⁵ In the knockout round he faced Japan’s top player Kenta Naraoka, winning convincingly 21‑12, 21‑16 to reach the quarterfinals for a third time, matching his personal Olympic best.¹ There he met India’s Lakshya Sen; after a grueling 75‑minute battle he fell short, his Olympic medal dream slipping away once more.¹

Reaching the quarterfinals in three consecutive Olympics has been achieved by only four players before him.¹⁵ Yet this quarterfinal carried a different meaning: it was the triumph of a man who, less than a year earlier, had been on an operating table, now back on the world stage fighting for victory.¹⁶

The Record Is Still Being Written

Having beaten cancer, Chou does not treat his comeback as a swan song. In 2024 and 2025 he completed back‑to‑back victories at the Arctic Open in Finland.¹⁷ In 2025, at age 35 and 150 days, he reached the final of the Indonesia Open, defeating the world’s “king” en route and setting a new record for the oldest player to contest a Super 1000 men’s singles final.¹⁸ The same year he achieved a new high‑age world‑ranking milestone, being praised as a “role model for younger players.”¹⁹

As of June 2026, the 36‑year‑old remains ranked No. 6 in the world, the oldest regular in the men’s singles elite.⁶ In a sport where many retire by age 30, he has extended his professional lifespan by another cycle. The new generation now measures their own milestones against beating him, while he continues to stand firm, inviting the next wave to chase higher.

Off‑Court Chou

Chou has long integrated public service into his career plan. He has said he wants to deepen his charitable work while he still has influence, uncertain whether he will retain the same energy after retirement.²⁰ Over the years he has supported children with rare diseases and education in Taiwan’s remote areas, deliberately keeping a low profile: “Charity isn’t done for the cameras; whether the media are watching or not, doing it is what matters.”²⁰

He does not run a fan page and rarely uses social media.² For a player who has been world No. 2, reached three Olympic quarterfinals, defeated Lin Dan, and returned from cancer, the lack of hype lets his achievements speak louder. Chou’s path has always been a slow grind, not a flash of innate talent: patience, faith, and an unyielding spirit have steadily lifted Taiwanese badminton to new heights.

Further Reading

• Tai Tzu‑ying — Taiwan’s women’s world champion of the same generation, sharing the same early coach as Chou.
• Li Yang — From Olympic badminton gold medalist to Taiwan’s first Minister of Sports.
• Kuo Hsing‑chun — Another Taiwanese athlete who forged success through injury and adversity, winning Olympic weightlifting gold.
• Jeremy Lin — A Taiwanese‑American who reshaped Asian‑American athletic representation.
• Chinese Taipei — The “Chinese Taipei” designation under which Chou competes, with its international political background.

Image Credits

• Chartlin / Wikimedia Commons — CC BY‑SA 4.0 (2018 Taipei Open)
• Tony2803.tw / Wikimedia Commons — CC BY 4.0 (2024 Taipei Open)
• Taipei City Government Sports Bureau / Wikimedia Commons — Attribution (government open data, 2022 Taipei Open)

References