Stadium: Pista 3 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Prostejov MD | 2021/08/20 11:45 | Chappell N / Stalder R v Gengel/Ignatik | 3-6,7-6,10-8 |
| ITF M25 Prostejov MD | 2021/08/19 12:45 | Kodat/Poljak v Chappell N / Stalder R | 1-6,6-7 |
| ITF M25 Prostejov MD | 2021/08/18 13:05 | D Acosta/Matuszewski v Chappell N / Stalder R | 0-6,3-6 |
| ITF M25 Prostejov MD | 2021/08/17 13:40 | Alvarez Varona/Endler v Chappell N / Stalder R | 6-7,6-1,6-10 |
| ITF - M25 Naples - Doubles Hommes | 2021/02/23 16:40 | Chappell N / Stalder R v Hidalgo/Rodriguez | 4-6,2-6 |
| Las Vegas, Doubles M-ITF-USA-07A | 2020/03/08 01:30 | Barrientos N / Ore I A v Chappell N / Stalder R | 7-6,6-3 |
| Las Vegas, Doubles M-ITF-USA-07A | 2020/03/07 02:00 | Chappell N / Stalder R v Rapp A / Redlicki M | 6-2,2-6,10-6 |
| Las Vegas, Doubles M-ITF-USA-07A | 2020/03/05 23:10 | Chappell N / Stalder R v Perez A / Zhu E | 6-3,6-4 |