| Ondřej Štyler | |
| Birth Date: | 2000 6, df=yes |
| Birth Place: | Prague, Czech Republic |
| Plays: | Right-handed (two-handed backhand) |
| College: | University of Michigan |
| Careerprizemoney: | $6,048 |
| Singlesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 1118 (17 December 2018) |
| Currentsinglesranking: | - |
| Wimbledonjuniorresult: | 3R (2018) |
| Usopenjuniorresult: | 1R (2018) |
| Doublesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 694 (10 June 2019) |
| Currentdoublesranking: | - |
| Frenchopendoublesjuniorresult: | W (2018) |
| Updated: | 29 January 2024 |
Ondřej Štyler (born 1 June 2000) is a Czech tennis player. He was the winner of the 2018 French Open boys' doubles and a finalist in the 2018 Wimbledon boys' doubles.
He reached a career-high ITF junior combined ranking of No. 13 on 29 January 2018. He has reached two ITF Futures doubles finals, winning one in Most, Czech Republic with Tadeas Paroulek in June 2019. Styler was also the runner-up in the NCAA Division I men's singles tournament, representing the University of Michigan.
As of January 2024 Styler is unranked in both professional singles and doubles.[1]
| Result | Year | width=150 | Tournament | Surface | width=150 | Partner | width=150 | Opponents | width=150 | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| Win | 2018 |  French Open | Clay |  Naoki Tajima | Ray Ho Tseng Chun-hsin | 6–4, 6–4 | ||||
| Loss | 2018 |  Wimbledon | Grass |  Nicolás Mejía |  Otto Virtanen Yankı Erel | 6–7(5–7), 4–6 |
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Czech Republic F12, Prague | Futures | Hard (i) |  Daniel Pátý | Marek Gengel Michal Konečný | 5–7, 2–6 | ||
| Win | 1–1 | M25+H Most, Czech Republic | World Tennis Tour | Clay | Tadeas Paroulek | Václav Šafránek Jan Šátral | 7–5, 6–1 |