Kilian Feldbausch
Swiss tennis player (born 2005)
From Wikipedia, the free encyclopedia
Kilian Feldbausch (born 7 September 2005) is a Swiss tennis player. He has a career-high ATP singles rankings of world No. 262 achieved on 13 July 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]
Switzerland| 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 $124,686 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 262 (13 July 2026) |
| Current ranking | No. 262 (13 July 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. 458 (10 November 2025) |
| Current ranking | No. 1,241 (13 July 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: 13 July 2026. | |
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 |
