| ITF W100 Caldas da Rainha | 09/19 09:00 | 26 | [240] Valentina Ryser v Camilla Rosatello [388] | 7-6,5-7,1-6 | |
| ITF W100 Caldas da Rainha | 09/17 10:00 | 25 | [454] Hiroko Kuwata v Valentina Ryser [240] | 4-6,1-6 | |
| WTA Bucharest | 09/11 14:30 | 26 | [241] Valentina Ryser v Marie Benoit [223] | 4-6,5-7 | |
| WTA Bucharest | 09/09 13:30 | 25 | [162] Ekaterina Vl. Makarova v Valentina Ryser [241] | Retired | |
| WTA Montreux | 09/03 14:45 | 25 | [216] Kathinka Von Deichmann v Valentina Ryser [243] | 2-6,7-6,6-4 | |
| WTA Montreux | 09/03 12:50 | 25 | Olga Danilovic v Valentina Ryser | Cancelled | |
| ITF W35 Collonge-Bellerive | 08/29 10:35 | 26 | [365] Alice Rame v Valentina Ryser [243] | 3-6,6-4,7-5 | |
| ITF W35 Collonge-Bellerive | 08/28 15:15 | 25 | [397] Naima Karamoko v Valentina Ryser [243] | 6-4,2-6,0-6 | |
| ITF W50 Ourense | 08/16 08:30 | 27 | [247] Valentina Ryser v Ankita Raina [300] | 6-3,6-7,6-7 | |
| ITF W50 Ourense | 08/15 08:20 | 26 | [247] Valentina Ryser v Anna Rogers [155] | 6-4,6-1 | |
| ITF W50 Ourense | 08/13 07:55 | 25 | [247] Valentina Ryser v Sakura Hosogi [466] | 3-6,6-4,7-6 | |
| ITF W100 Figueira Da Foz | 07/23 09:00 | 25 | [244] Valentina Ryser v Maddison Inglis [230] | 5-7,6-4,3-6 | |
| ITF W75 Porto | 07/18 13:15 | 26 | [195] Gabriela Knutson v Valentina Ryser [236] | 6-2,6-2 | |
| ITF W75 Porto | 07/16 11:00 | 25 | [236] Valentina Ryser v Isabella Shinikova [260] | 6-4,6-3 | |
| ITF W35 Don Benito | 07/11 07:00 | 26 | Pemra Ozgen v Valentina Ryser | 7-6,6-4 | |
| ITF W35 Don Benito | 07/09 08:45 | 25 | Julie Belgraver v Valentina Ryser | 3-6,6-7 | |
| Wimbledon Women | 06/27 12:50 | 19 | [160] Robin Montgomery v Valentina Ryser [236] | 7-6,6-2 | |
| Wimbledon Women | 06/26 14:00 | 15 | [236] Valentina Ryser v Varvara Lepchenko [206] | 6-2,6-7,6-3 | |
| Wimbledon Women | 06/25 12:30 | 14 | [161] Martina Capurro Taborda v Valentina Ryser [236] | 2-6,6-7 | |
| ITF W100 Ilkley | 06/17 10:30 | 19 | [196] Harmony Tan v Valentina Ryser [237] | 6-7,6-4,6-4 | |
| ITF W100 Ilkley | 06/16 08:55 | 54 | Vitalia Diatchenko v Valentina Ryser | 2-6,4-6 | |
| ITF W75 Guimaraes | 06/13 10:00 | 26 | [286] Liv Hovde v Valentina Ryser [240] | 6-1,6-0 | |
| ITF W75 Guimaraes | 06/12 09:00 | 25 | [335] Kateryna Volodko v Valentina Ryser [240] | 3-6,1-6 | |
| ITF W50 Montemor-O-Novo | 06/01 08:55 | 28 | [238] Valentina Ryser v Talia Gibson [185] | 3-6,0-6 | |
| ITF W50 Montemor-O-Novo | 05/31 09:00 | 27 | [164] Kimberly Birrell v Valentina Ryser [238] | 2-6,6-4,3-6 | |
| ITF W50 Montemor-O-Novo | 05/30 08:55 | 26 | Ana Filipa Santos v Valentina Ryser | 3-6,3-6 | |
| ITF W50 Montemor-O-Novo | 05/29 11:05 | 25 | [295] Eudice Chong v Valentina Ryser [238] | 1-6,4-6 | |
| ITF W35 Monzon | 05/14 14:05 | 25 | [243] Valentina Ryser v Maria Bondarenko [366] | Cancelled | |
| ITF W35 Monzon | 05/14 12:00 | 25 | Valentina Ryser v Elena Micic | 3-6,7-5,4-6 | |
| ITF W35 Yecla | 05/04 14:40 | 28 | Valentina Ryser v Tamara Kostic | 6-7,4-6 |
Valentina Ryser (born 22 March 2001) is a Swiss tennis player. She has a career-high WTA singles ranking of No. 236, achieved on 24 June 2024. She also has a career-high WTA doubles ranking of No. 355, achieved on 9 September 2024.
Partnering Urszula Radwanska, Ryser won her first $50k tournament in April 2024 in Calvi, France.