| Challenger Leon | 04/09 19:30 | 14 | [424] Ajeet Rai v Nick Chappell [385] | 4-6,7-5,2-6 | |
| Challenger - San Luis Potosí | 04/04 20:00 | 25 | [385] Nick Chappell v Tomas Barrios Vera [184] | 6-7,1-6 | |
| Challenger - San Luis Potosí | 04/03 20:45 | 19 | [385] Nick Chappell v Ajeet Rai [424] | 6-4,6-2 | |
| Challenger - San Luis Potosí | 04/02 22:15 | 14 | Nick Chappell v Sebastian Medica | 6-3,6-3 | |
| Challenger - Mexique | 03/26 17:30 | 14 | [458] Rubin Statham v Nick Chappell [383] | 6-7,6-3,6-4 | |
| Puerto Vallarta, Mexico | 03/06 23:00 | 19 | [487] Rubin Statham v Nick Chappell [390] | 6-4,6-2 | |
| Puerto Vallarta, Mexico | 03/05 18:20 | 14 | Esteban Estrada v Nick Chappell | 0-6,0-6 | |
| ATP - Acapulco | 03/01 00:00 | 25 | [85] Nuno Borges v Nick Chappell [432] | 6-3,7-6 | |
| ATP - Acapulco | 02/27 01:25 | 19 | [453] Nick Chappell v Rubin Statham [492] | 6-4,6-0 | |
| ATP - Acapulco | 02/26 03:40 | 14 | [125] Steve Johnson v Nick Chappell [453] | 6-4,1-6,2-6 | |
| Monterrey, Mexico | 02/24 02:50 | 26 | [89] Denis Kudla v Nick Chappell [453] | 6-3,6-4 | |
| Monterrey, Mexico | 02/21 23:20 | 25 | Nick Chappell v Jesse Flores | 6-3,6-2 | |
| Monterrey, Mexico | 02/20 19:30 | 19 | Nick Chappell v Mora, Maxime | 6-4,6-3 | |
| Monterrey, Mexico | 02/19 21:00 | 14 | Nick Chappell v Ramirez, Cesar | 7-6,6-2 | |
| ATP - Dallas | 02/05 23:10 | 14 | [191] Brandon Holt v Nick Chappell [448] | 6-3,6-2 | |
| Challenger - Cleveland | 01/30 23:35 | 25 | [448] Nick Chappell v Mitchell Krueger [229] | 3-6,6-7 | |
| ITF M15 Edmond | 01/25 19:05 | 25 | Aidan Kim v Nick Chappell | 7-6,6-7,7-5 | |
| ITF M15 Ithaca | 01/20 17:00 | 27 | Kiger, Mac v Nick Chappell | 2-6,6-3,6-4 | |
| ITF M15 Ithaca | 01/19 16:00 | 26 | Lucas Renard v Nick Chappell | 6-2,6-7,3-6 | |
| ITF M15 Ithaca | 01/18 16:00 | 25 | Aman Sharma v Nick Chappell | 1-6,2-6 | |
| Challenger Champaign | 11/16 01:15 | 25 | [283] Lucas Gerch v Nick Chappell [439] | 6-3,6-4 | |
| Challenger Calgary | 11/07 22:55 | 25 | [435] Nick Chappell v Dominik Koepfer [259] | 2-6,6-7 | |
| Challenger Charlottesville | 10/30 19:35 | 14 | Nick Chappell v Murphy Cassone | 5-7,3-6 | |
| Challenger Las Vegas | 10/23 16:30 | 14 | Nick Chappell v Carr, Simon | 2-6,5-7 | |
| Challenger Tiburon | 10/05 18:00 | 26 | [416] Nick Chappell v Mitchell Krueger [208] | 3-6,7-6,5-7 | |
| Challenger Tiburon | 10/04 17:00 | 25 | [416] Nick Chappell v Nicolas Mejia [287] | 7-6,3-6,6-1 | |
| Challenger Tiburon | 10/03 17:00 | 19 | [416] Nick Chappell v Perez, Alfredo [464] | 6-3,7-5 | |
| Challenger Tiburon | 10/02 20:20 | 14 | Nick Chappell v Colin Markes | 6-1,6-3 | |
| ATP Tokyo | 10/01 04:40 | 14 | Nick Chappell v Aziz Dougaz | Cancelled | |
| Charleston, SC, USA | 09/25 14:00 | 14 | Nick Chappell v Patrick Kypson | 6-4,2-6,0-6 |
Nick Chappell (born September 19, 1992) is a Canadian-born American tennis player.
Chappell has a career high ATP singles ranking of 329 achieved on November 8, 2021. He also has a career high ATP doubles ranking of 416 achieved on June 27, 2016.
Chappell made his ATP main draw debut at the 2022 Los Cabos Open after qualifying for the main draw in singles, defeating Maxime Janvier and Aziz Dougaz to qualify.
He also qualified for the 2023 Mexican Open defeating second qualifying seed Steve Johnson and New Zealander Rubin Statham.