| Country (sports) |  Switzerland |
|---|---|
| Residence | Sonvilier, Switzerland |
| Born | 29 January 1997 Locarno, Switzerland |
| Height | 1.85 m (6 ft 1 in) |
| Plays | Left-handed (one-handed backhand) |
| Prize money | US $84,913 |
| Singles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 543 (19 August 2019) |
| Current ranking | No. 814 (14 October 2024) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 267 (11 July 2022) |
| Current ranking | No. 514 (21 October 2024) |
| Last updated on: 22 October 2024. | |
Luca Castelnuovo (born 29 January 1997) is a Swiss tennis player.
Castelnuovo has a career high ATP singles ranking of No. 543 achieved on 19 August 2019. He also has a career high doubles ranking of No. 267 achieved on 11 July 2022.[1]
Castelnuovo has won 3 ATP Challenger doubles titles.