Kilian Feldbausch
Kilian Feldbausch 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.Career
2021-2022: Juniors and Pro beginnings
He featured in a professional tennis tournament in Biel, Switzerland in March 2021, at age 15.Feldbausch became the first Swiss player since Roger Federer in 1998 to reach the semifinals of the junior Australian Open. He also reached the semifinals of the doubles, partnering Gabriel Debru.
Kilian Feldbausch won his first 3 ATP points after reaching the semifinals of the M25 Futures in Trimbach, Switzerland.
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.ATP Challenger Tour finals
Singles: 2 runner-ups
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||||||||||||||||||
| Loss | 0–1 | [2023 Maspalomas Challenger – Singles|] | Maspalomas, Spain | Challenger | Clay |  dts|Sep 2025Doubles: 1 (1 title)
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