Kilian Feldbausch
| Country (sports) | 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 $86,332 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 334 (15 September 2025) |
| Current ranking | No. 377 (5 January 2026) |
| Grand Slam singles results | |
| 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. 462 (8 September 2025) |
| Current ranking | No. 463 (15 September 2025) |
| 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: 7 January 2026. | |
Kilian Feldbausch (born 7 September 2005) is a Swiss tennis player. He has a career-high ATP singles rankings of world No. 334, achieved on 15 September 2025, and a career-high doubles ranking of No. 462, achieved on 8 September 2025.
Personal life
He is the son of former tennis player Cathy Caverzasio.[1]
Career
2021-2022: Juniors and Pro beginnings
He featured in a professional tennis tournament in Biel, Switzerland in March 2021, at age 15.[2]
Feldbausch became the first Swiss player since Roger Federer in 1998 to reach the semifinals of the junior Australian Open.[3][4][5] He also reached the semifinals of the doubles, partnering Gabriel Debru.[6]
Kilian Feldbausch won his first 3 ATP points after reaching the semifinals of the M25 Futures in Trimbach, Switzerland. [7] 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 Horansky.
2025: Second Challenger final, top 350
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.[8]
ATP Challenger Tour finals
Singles: 2 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 |
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, USA | WTT | Clay | Garrett Johns | 6–4, 7–5 |
| Win | 2–0 | Dec 2024 | M15 Antalya, Turkiye | 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, Turkiye | WTT | Clay | Rodrigo Pacheco Méndez | Vit Kalina Nikita Mashtakov |
3-6, 6-2, 10-5 |
References
- ^ "Tennis – Un espoir genevois de 16 ans en demi-finale à Melbourne". Tribune de Genève (in French). 27 January 2022. Retrieved 2022-02-04.
- ^ https://www.itftennis.com/en/players/kilian-feldbausch/800498411/sui/mt/s/activity/#pprofile-info-tabs
- ^ "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.