| ATP Chengdu | 09/19 07:25 | 14 | [378] Nick Chappell v Philip Sekulic [325] | 3-6,6-7 | |
| Challenger Guangzhou | 09/12 02:00 | 25 | [215] Li Tu v Nick Chappell [344] | 6-1,2-6,6-2 | |
| Challenger Shanghai | 09/06 06:20 | 25 | [417] Nam Hoang Ly v Nick Chappell [356] | 5-7,6-4,6-0 | |
| Challenger Shanghai | 09/04 05:40 | 19 | [356] Nick Chappell v Rubin Statham [472] | 7-6,6-4 | |
| Challenger Shanghai | 09/03 03:00 | 14 | Nick Chappell v Haoda Jiang | 6-1,6-1 | |
| Challenger Zhangjiagang | 08/29 04:00 | 25 | [417] Nam Hoang Ly v Nick Chappell [356] | 5-7,6-3,6-2 | |
| ATP Winston-Salem | 08/19 18:40 | 14 | Andrey Kuznetsov v Nick Chappell | 7-5,6-1 | |
| Challenger Stanford | 08/15 17:00 | 25 | [363] Nick Chappell v Nicolas Moreno De Alboran [136] | 6-3,3-6,4-6 | |
| Challenger Stanford | 08/13 17:00 | 19 | Nick Chappell v Gage Brymer | 6-4,6-1 | |
| Challenger Stanford | 08/12 18:00 | 14 | Nick Chappell v James Tracy | 6-4,6-4 | |
| ATP Toronto | 08/05 18:10 | 14 | [69] Marcos Giron v Nick Chappell [334] | 6-4,3-6,6-2 | |
| ATP Los Cabos | 07/30 02:30 | 14 | [249] Abedallah Shelbayh v Nick Chappell [334] | 6-3,6-2 |
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.