Stadium: Court 2N Round: 26 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/09/15 16:55 | Mcnally, John v van Emburgh, Jake | 6-4,7-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/16 01:10 | Mcnally, John v Bangoura, Sekou | 6-7,6-3,4-6 |
| ITF M25 Wichita | 2021/06/10 15:00 | Nanda, Govind v Mcnally, John | 6-7,7-6,6-3 |
| ITF M25 Wichita | 2021/06/09 21:00 | Mcnally, John v Alexander Brown | 6-4,6-2 |
| Challenger Columbus | 2020/02/24 15:00 | Mcnally, John v Quiroz, Roberto | 6-7,6-7 |
| Ann Arbor, USA | 2020/01/09 21:10 | Fratangelo, Bjorn v Mcnally, John | 6-3,6-3 |
| Ann Arbor, USA | 2020/01/07 23:30 | Mcnally, John v Bellucci, Thomaz | 6-3,6-4 |
| Ann Arbor, USA | 2020/01/06 15:25 | Glasspool, Lloyd v Mcnally, John | 4-6,1-6 |
| ITF M15 Champaign | 2021/09/15 17:45 | Zemel, Yankel v Victor Lilov | 1-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/20 08:00 | Zemel, Yankel v Alejandro Moro Canas | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/19 08:00 | Zemel, Yankel v Almeida, Manuel | 6-2,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 08:00 | Zemel, Yankel v Singh, Digvijaypratap | 6-3,3-6,14-12 |
| ITF M25 Idanha-A-Nova | 2021/07/14 13:55 | Faria, Luis v Zemel, Yankel | 6-1,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/13 08:00 | Zemel, Yankel v Osgar O'Hoisin | 6-4,4-6,12-10 |
| ITF M25 Idanha-A-Nova | 2021/07/12 10:30 | Zemel, Yankel v Ivan Zaytsev | 6-3,6-3 |
| ITF M25 Idanha-A-Nova | 2021/07/11 08:00 | Zemel, Yankel v David Quayle | 7-6,6-2 |