| ITF Italy F17 | 06/10 19:30 | 54 | Alexander Ritschard v Lorenzo Bocchi | 6-0,6-4 | |
| ITF Canada F2 | 03/07 19:40 | 25 | Maximilian Neuchrist v Alexander Ritschard | 7-6,5-7,7-5 | |
| ITF Canada F2 Qual | 03/06 17:05 | 44 | Farris F Gosea v Alexander Ritschard | Retired | |
| ITF Canada F2 Qual | 03/05 14:30 | 44 | Tim Kopinski v Alexander Ritschard | 2-6,7-6,5-7 | |
| ITF USA F4 | 01/14 17:00 | 60 | Gabriel Decamps v Alexander Ritschard | 5-7,7-6,6-2 | |
| Challenger Knoxville Qual | 11/06 15:00 | 45 | Alexander Ritschard v Yuki Bhambri | 1-6,2-6 | |
| Challenger Charlottesville | 10/31 23:35 | 25 | Alexander Ritschard v Jared Donaldson | 2-6,6-3,3-6 | |
| ITF Canada F7 | 09/10 16:30 | 28 | Alexander Ritschard v Ivan Endara | 7-6,4-6,3-6 | |
| ITF Canada F7 | 09/09 16:00 | 27 | Alexander Ritschard v Jonathan Chang | 6-1,6-0 | |
| ITF Canada F7 | 09/08 16:00 | 26 | Filip Peliwo v Alexander Ritschard | 4-6,3-6 | |
| ITF Canada F7 | 09/06 14:30 | 25 | Alexander Ritschard v Pavel Krainik | 7-6,6-3 | |
| ITF Canada F7 Qual | 09/05 16:00 | 44 | Egor Koleganov v Alexander Ritschard | 6-3,4-6,2-6 | |
| ITF Canada F7 Qual | 09/04 15:00 | 44 | Liam Draxl v Alexander Ritschard | 1-6,4-6 | |
| ITF USA F17 | 06/08 13:00 | 25 | Darian King v Alexander Ritschard | 6-1,1-6,7-6 | |
| ITF USA F30 | 10/15 18:30 | 26 | Rishab Agarwal v Alexander Ritschard | 6-3,7-6 | |
| ITF USA F30 | 10/13 15:00 | 25 | Collin Altamirano v Alexander Ritschard | 4-6,1-6 | |
| ITF USA F30 | 10/12 15:00 | 62 | Patrick Daciek v Alexander Ritschard | 5-7,3-6 | |
| ITF USA F30 | 10/11 15:00 | 62 | Alexander Ritschard v Liam Caruana | 6-1,6-2 | |
| ITF Germany F13 | 08/21 15:00 | - | Bastian Trinker v Alexander Ritschard | 6-4,6-4 | |
| ITF Germany F13 | 08/20 13:25 | - | Alexander Ritschard v Marvin Netuschil | 4-6,6-1,7-6 | |
| ITF Germany F12 | 08/14 09:35 | - | Alexander Ritschard v Laslo Urrutia Fuentes | 3-6,6-4,6-7 | |
| ITF Germany F11 | 08/07 14:10 | - | Alexander Ritschard v Michal Schmid | 4-6,1-6 |
Wikipedia - Alexander Ritschard
Alexander Ritschard (ur. 24 marca 1994 w Zurychu) – szwajcarski tenisista, w latach 2018–2022 reprezentujący Stany Zjednoczone.