| Challenger Ilkley | 06/12 13:25 | 14 | [204] Alexander Ritschard v Lukas Lacko [242] | 3-6,2-6 | |
| Challenger Lyon | 06/07 15:45 | 25 | [204] Alexander Ritschard v Corentin Moutet [128] | 2-6,6-7 | |
| Challenger Troisdorf | 05/25 12:40 | 26 | [260] Jelle Sels v Alexander Ritschard [202] | 6-3,6-4 | |
| Challenger Troisdorf | 05/24 09:35 | 25 | [202] Alexander Ritschard v Marcelo Tomas Barrios Vera [138] | 7-5,7-6 | |
| French Open | 05/20 13:35 | 19 | [204] Alexander Ritschard v Camilo Ugo Carabelli [154] | 6-7,2-6 | |
| French Open | 05/18 14:50 | 15 | [109] Fernando Verdasco v Alexander Ritschard [204] | 2-6,6-3,3-6 | |
| French Open | 05/17 12:50 | 14 | [204] Alexander Ritschard v Laurent Lokoli [279] | 2-6,6-4,6-4 | |
| Challenger Heilbronn | 05/12 10:00 | 27 | [213] Alexander Ritschard v Jonas Forejtek [259] | 7-5,3-6,3-6 | |
| Challenger Heilbronn | 05/11 09:00 | 26 | [213] Alexander Ritschard v Miljan Zekic [265] | 6-1,6-1 | |
| Challenger Heilbronn | 05/09 13:00 | 25 | [110] Radu Albot v Alexander Ritschard [213] | 3-6,3-6 | |
| Challenger Tallahassee | 04/21 15:00 | 26 | [145] Jeffrey John Wolf v Alexander Ritschard [210] | 7-6,6-3 | |
| Challenger Tallahassee | 04/19 17:15 | 25 | [210] Alexander Ritschard v Jonathan Mridha [464] | 6-2,6-4 | |
| Challenger Sarasota | 04/14 18:00 | 26 | [211] Alexander Ritschard v Alejandro Tabilo [97] | 3-6,4-6 | |
| Challenger Sarasota | 04/12 16:00 | 25 | [165] Tennys Sandgren v Alexander Ritschard [211] | 5-7,3-6 | |
| Challenger Salinas | 04/09 01:10 | 28 | [148] Emilio Gomez v Alexander Ritschard [235] | 6-2,6-2 | |
| Challenger Salinas | 04/07 17:00 | 27 | [168] Camilo Ugo Carabelli v Alexander Ritschard [235] | 2-6,3-6 | |
| Challenger Salinas | 04/06 19:25 | 26 | [357] Nicolas Alvarez v Alexander Ritschard [235] | 3-6,6-3,1-6 | |
| Challenger Salinas | 04/05 19:05 | 25 | [496] Brandon Holt v Alexander Ritschard [235] | 2-6,2-6 | |
| Challenger Pereira | 03/29 15:00 | 25 | [231] Alexander Ritschard v Nicolas Barrientos [461] | 4-6,6-0,2-6 | |
| Challenger Santa Cruz | 03/23 19:15 | 26 | [181] Facundo Mena v Alexander Ritschard [231] | 2-6,7-6,6-4 | |
| Challenger Santa Cruz | 03/22 00:05 | 25 | [295] Nicolas Moreno De Alboran v Alexander Ritschard [227] | 3-6,1-6 | |
| Challenger Forli | 02/27 14:00 | 29 | [274] Alexander Ritschard v Jack Draper [162] | 6-3,3-6,6-7 | |
| Challenger Forli | 02/26 15:20 | 28 | [200] Tim Van Rijthoven v Alexander Ritschard [274] | 3-6,6-7 | |
| Challenger Forli | 02/25 14:30 | 27 | [171] Nuno Borges v Alexander Ritschard [274] | 4-6,6-7 | |
| Challenger Forli | 02/23 10:35 | 26 | [274] Alexander Ritschard v Illya Marchenko [222] | 6-3,7-5 | |
| Challenger Forli | 02/22 09:00 | 25 | [274] Alexander Ritschard v Gastao Elias [206] | 6-7,6-2,6-3 | |
| Challenger Forli | 02/21 10:45 | 19 | [274] Alexander Ritschard v Jelle Sels [322] | 7-6,6-4 | |
| Challenger Forli - Kwalifikacje | 02/20 14:30 | 14 | Alexander Ritschard v Giovanni Oradini | 6-0,7-6 | |
| Challenger Forli | 02/14 09:00 | 19 | [280] Alexander Ritschard v Evan Furness [301] | 6-3,3-6,4-6 | |
| Challenger Forli | 02/13 12:00 | 14 | [266] Alexander Ritschard v Nikolas S Izquierdo [310] | 6-3,7-6 |
Wikipedia - Alexander Ritschard
Alexander Ritschard (ur. 24 marca 1994 w Zurychu) – szwajcarski tenisista, w latach 2018–2022 reprezentujący Stany Zjednoczone.