| ITF USA F35 | 12/03 15:00 | 25 | Andrew Watson v Nick Chappell | 6-4,1-6,6-1 | |
| ITF USA F34 | 11/29 17:20 | 27 | Jenson Brooksby v Nick Chappell | 6-2,6-4 | |
| ITF USA F34 | 11/28 17:45 | 26 | Nick Chappell v Hady Habib | 6-4,4-6,6-3 | |
| ITF USA F34 | 11/27 19:15 | 25 | Nick Chappell v Danny Thomas | 6-1,6-4 | |
| ITF USA F31 | 11/14 15:00 | 25 | Ryan Peniston v Nick Chappell | 7-6,6-0 | |
| Challenger Calgary | 10/13 20:55 | 46 | Nick Chappell v Mikael Torpegaard | 5-7,4-6 | |
| Challenger Monterrey | 09/30 16:00 | 46 | Sekou Bangoura v Nick Chappell | 6-1,6-2 | |
| Challenger Monterrey | 09/29 16:00 | 45 | Nick Chappell v Juan Sebastian Gomez | 6-2,6-2 | |
| ITF Canada F7 | 09/15 15:00 | 29 | Nick Chappell v Lloyd Glasspool | 6-2,6-0 | |
| ITF Canada F7 | 09/14 15:00 | 28 | Nick Chappell v Harrison Adams | 6-4,6-4 | |
| ITF Canada F7 | 09/13 15:00 | 27 | Felix Corwin v Nick Chappell | 3-6,3-6 | |
| ITF Canada F7 | 09/12 16:45 | 26 | Nick Chappell v Jordi Arconada | 6-2,6-0 | |
| ITF Canada F7 | 09/11 16:45 | 25 | Nick Chappell v Evan Zhu | 6-3,6-0 | |
| ITF Canada F6 | 09/07 16:30 | 27 | [312] Alejandro Gomez v Nick Chappell [493] | 6-3,6-4 | |
| ITF Canada F6 | 09/06 17:10 | 26 | Nick Chappell v David Volfson | 6-2,4-6,6-2 | |
| ITF Canada F6 | 09/05 14:00 | 25 | Alexios Halebian v Nick Chappell | Retired | |
| ITF Canada F6 | 09/03 14:00 | 62 | Nick Chappell v Ronald Hohmann | 6-4,6-2 | |
| ITF Canada F6 | 09/02 13:00 | 62 | Nick Chappell v Matthew Segura | 6-4,6-4 | |
| ITF Canada F6 | 09/01 13:00 | 62 | Nick Chappell v Samuel Philp | 7-5,6-4 | |
| ITF USA F22 | 08/09 14:00 | 26 | Nicolas Alvarez v Nick Chappell | 6-2,6-4 | |
| ITF USA F22 | 08/08 21:10 | 25 | [470] Nick Chappell v Aziz Dougaz [499] | 6-4,6-4 | |
| Challenger Lexington Qual | 07/28 17:40 | 45 | Nick Chappell v Strong Kirchheimer | 6-4,2-6,3-6 | |
| ITF USA F20 | 07/24 15:00 | 25 | Nick Chappell v Sebastien Boltz | 4-6,5-7 | |
| ITF USA F19B | 07/20 16:00 | 27 | Lloyd Glasspool v Nick Chappell | 6-4,7-6 | |
| ITF USA F19B | 07/19 18:35 | 26 | Nick Chappell v Petros Chrysochos | 6-4,4-6,6-3 | |
| ITF USA F19B | 07/18 17:50 | 25 | Jacob Dunbar v Nick Chappell | 6-4,2-6,5-7 | |
| ITF Canada F3 | 06/21 16:00 | 26 | [330] Steven Diez v Nick Chappell [491] | 7-5,6-2 | |
| ITF Canada F3 | 06/20 16:00 | 25 | Jack Davis v Nick Chappell | 2-6,3-6 | |
| ITF Sweden F3 | 05/21 09:50 | 25 | Nick Chappell v Marius Ruzgas | 3-6,3-6 | |
| ITF Sweden F2 | 05/15 11:40 | 25 | Lukas Ollert v Nick Chappell | 6-2,6-7,7-5 |
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.