Kilian Feldbausch
| Country (sports) | .svg.png){kind=small} Switzerland |
|---|---|
| Residence | Geneva, Switzerland |
| Born | 7 September 2005 Geneva, Switzerland |
| Height | 1.91 m (6 ft 3 in) |
| Plays | Right-handed (two-handed backhand) |
| Coach | Cathy Feldbausch-Caverzasio |
| Prize money | US $144,477 |
| Singles | |
| Career record | 1–2 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 230 (3 August 2026) |
| Current ranking | No. 230 (3 August 2026) |
| Grand Slam singles results | |
| US Open | Q1 (2026) |
| Australian Open Junior | SF (2022) |
| French Open Junior | 3R (2022) |
| Wimbledon Junior | QF (2022) |
| US Open Junior | QF (2022) |
| Doubles | |
| Career record | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 458 (10 November 2025) |
| Current ranking | No. 1,247 (3 August 2026) |
| Grand Slam doubles results | |
| Australian Open Junior | SF (2022) |
| French Open Junior | 1R (2022) |
| Wimbledon Junior | 2R (2022) |
| US Open Junior | 2R (2022) |
| Last updated on: 3 August 2026. | |
Kilian Feldbausch (born 7 September 2005) is a Swiss tennis player. He has a career-high ATP singles rankings of world No. 230 achieved on 3 August 2026 and a career-high doubles ranking of No. 458 achieved on 10 November 2025. He is currently the No. 5 Swiss singles player.[1]
Personal life
He is the son of former tennis player Cathy Caverzasio.[2]
Career
2021–2022: Juniors and Pro beginnings
He featured in a professional tennis tournament in Biel/Bienne, Switzerland in March 2021, at age 15.[3]
Feldbausch became the first Swiss player since Roger Federer in 1998 to reach the semifinals of the junior Australian Open.[4][5][6] He also reached the semifinals of the doubles, partnering Gabriel Debru.[7]
Kilian Feldbausch won his first 3 ATP points after reaching the semifinals of the M25 Futures in Trimbach, Switzerland. [8] He further reached the round of 16 at the Challenger Biel/Bienne, after beating the 7th seed Marc-Andrea Hüsler in the first round in straight sets. He then lost in straight sets with two tiebreaks, in the second round, to Filip Horanský.
2025–2026: First Challenger title, top 300
At the 2025 Città di Biella he reached his second Challenger final but lost to Stefano Napolitano. As a result he reached a new career-high in the top 350 at world No. 334 on 15 September 2025.[9]
Feldbausch won his maiden Challenger title at the 2026 Košice Open, defeating Martin Krumich in the final.[10] As a result he reached the top 300 on 8 June 2026.[11]
ATP Challenger Tour finals
Singles: 4 (1 title, 3 runner-ups)
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Dec 2023 | Maspalomas, Spain | Challenger | Clay |  Pedro Martínez |
4–6, 6–4, 3–6 |
| Loss | 0–2 | Sep 2025 | Biella, Italy | Challenger | Clay |  Stefano Napolitano |
5–7, 4–6 |
| Win | 1–2 | May 2026 | Košice, Slovakia | Challenger | Clay |  Martin Krumich |
6–0, 4–6, 6–4 |
| Loss | 1–3 | Jun 2026 | Troyes, France | Challenger | Clay |  Marvin Möller |
6–7(5–7), 4–6 |
Doubles: 1 (1 title)
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Mar 2025 | Mérida, Mexico | Challenger | Clay |  Rodrigo Pacheco Méndez |
 Trey Hilderbrand George Goldhoff |
6-4, 6-2 |
ITF World Tennis Tour finals
Singles: 2 (2 titles)
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Nov 2023 | M15 Boca Raton, United States | WTT | Clay | Garrett Johns |
6–4, 7–5 |
| Win | 2–0 | Dec 2024 | M15 Antalya, Turkey | WTT | Clay |  Evgenii Tiurnev |
6–3, 6–4 |
Doubles: 1 (1 title)
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Jan 2025 | M15 Antalya, Turkey | WTT | Clay | Rodrigo Pacheco Méndez |
Vit Kalina  Nikita Mashtakov |
3-6, 6-2, 10-5 |
References
- ↑ "Switzerland | ATP Rankings (Singles)".
- ↑ "Tennis – Un espoir genevois de 16 ans en demi-finale à Melbourne". Tribune de Genève (in French). 27 January 2022. Retrieved 2022-02-04.
- ↑ "Kilian Feldbausch Men's Singles Activity". www.itftennis.com. Retrieved 2026-06-22.
- ↑ "Switzerland toasts first Aussie Open boys' semi-finalist since Federer | ITF".
- ↑ "Roger Federer mentoring Swiss youngster in possible hint at life after tennis(EN)". 28 January 2022.
- ↑ "Kilian Feldbausch: Roger Federer helped me with my game and gave me some advice". Tennis World USA. 29 January 2022. Retrieved 2022-02-04.
- ↑ "Wong keeps Australian Open junior doubles dream alive". South China Morning Post. 2022-01-26. Retrieved 2022-02-04.
- ↑ "M25 Trimbach 2022 Tennis Tournament | ITF".
- ↑ "Challenger Tour Weekly Recap: Stan Wawrinka Comes Up Just Short Again". lastwordonsports.com. Retrieved 15 September 2025.
- ↑ "Košice Open: Švajčiar Feldbausch zastavil českú radosť a ovládol turnaj" (in Slovak). Sport.sk. Retrieved 1 June 2026.
- ↑ "Jet-lagged? Not Colton Smith! American goes from Paris to Challenger trophy in US". ATPTour. Retrieved 1 June 2026.
External links
- Kilian Feldbausch at the Association of Tennis Professionals
- Kilian Feldbausch at the International Tennis Federation
Association of Tennis Professionals  Top Swiss male singles tennis players | |
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As of Aug 24, 2026 | |
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