Estadio: Court 3 Round: 27
| ITF Panama F4 | 2018/11/21 14:00 | Daniil Zarichanskiy v Ignacio B Alia | 6-0,6-2 |
| ITF Panama F4 | 2018/11/20 15:25 | Daniil Zarichanskiy v Tyler Mercier | 6-4,7-6 |
| ITF Brasil F9 | 2018/11/14 18:30 | Carlos E. Severino v Daniil Zarichanskiy | 6-0,6-0 |
| ITF Brasil F9 | 2018/11/12 15:10 | Bernardo A P E Oliveira v Daniil Zarichanskiy | 6-7,0-6 |
| ITF Brasil F8 | 2018/11/05 18:00 | Daniil Zarichanskiy v Eduardo Ribeiro | 7-5,2-6,2-6 |
| ITF Brasil F7 | 2018/10/30 17:55 | Daniil Zarichanskiy v Joao Souza | 3-6,4-6 |
| ITF Brasil F6 | 2018/10/26 14:00 | Francisco Cerundolo v Daniil Zarichanskiy | 6-1,6-1 |
| ITF Brasil F6 | 2018/10/25 15:00 | Daniil Zarichanskiy v Ignacio Carou | 6-2,7-6 |
| ITF Panama F4 | 2018/11/21 14:00 | Ivan Sergeyev v Maksim Tikhomirov | 7-6,7-5 |
| ITF Panama F4 | 2018/11/19 20:30 | Noah Berry v Ivan Sergeyev | 1-6,2-6 |
| ITF Ucrania F4 | 2018/08/30 09:25 | Ivan Sergeyev v Alessandro Petrone | 0-6,7-6,2-6 |
| ITF Ucrania F4 | 2018/08/29 14:30 | Roman Khassanov v Ivan Sergeyev | 6-7,1-6 |
| ITF Ucrania F4 | 2018/08/28 12:05 | Ivan Sergeyev v Martin Fekiac | 5-7,6-3,6-0 |
| ITF Ucrania F4 | 2018/08/27 07:00 | Matteo Curci v Ivan Sergeyev | 3-6,2-6 |
| ITF Ucrania F4 | 2018/08/26 10:00 | Ivan Sergeyev v Luigi Sorrentino | 7-5,7-6 |
| Challenger de Ciudad de Panamá - Clasificación | 2018/03/31 14:30 | Alex Lawson v Ivan Sergeyev | 2-6,2-6 |