Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Netanya | 2019/06/19 09:20 | Piotr Grynkowski v Kento Yamada | 6-3,6-3 |
| ITF M25 Jablonec Nad Nisou | 2019/05/20 09:00 | Danylo Kalenichenko v Piotr Grynkowski | 6-1,6-0 |
| ITF M15 Antalya | 2019/05/10 09:35 | Piotr Grynkowski v Max Houkes | 2-6,1-6 |
| ITF M15 Antalya | 2019/05/09 09:05 | Piotr Grynkowski v Matthew Dellavedova | 6-2,6-3 |
| ITF M15 Antalya | 2019/05/08 10:00 | Paul Woerner v Piotr Grynkowski | 7-6,3-6,5-7 |
| ITF M15 Antalya | 2019/05/07 07:15 | Piotr Grynkowski v Giordan Kunz | 6-2,6-3 |
| ITF M25 Bolton | 2019/04/03 13:20 | Zizou Bergs v Piotr Grynkowski | 6-4,6-2 |
| ITF M25 Bolton | 2019/04/01 15:40 | Scott Duncan v Piotr Grynkowski | 2-6,6-3,7-10 |
| ITF M15 Netanya | 2019/06/18 09:00 | Christoffer Solberg v Quentin Robert | 2-6,0-6 |
| ITF M15 Cancun | 2019/04/24 18:00 | Lorenzo Frigerio v Quentin Robert | 6-2,6-3 |
| ITF M15 Cancun | 2019/04/17 14:00 | Jorge Panta v Quentin Robert | 3-6,7-5,6-3 |
| ITF M15 Cancun | 2019/04/10 13:45 | Nicolas Alvarez v Quentin Robert | 6-2,4-6,7-6 |
| ITF M15 Tel Aviv | 2019/03/31 07:00 | Quentin Robert v Edan Leshem | 6-3,2-6,6-1 |
| ITF M15 Tel Aviv | 2019/03/30 07:00 | Quentin Robert v Yshai Oliel | 6-2,6-4 |
| ITF M15 Tel Aviv | 2019/03/29 07:00 | Alessandro Bega v Quentin Robert | 4-6,2-6 |
| ITF M15 Tel Aviv | 2019/03/28 10:20 | Alexis Canter v Quentin Robert | 6-1,3-6,1-6 |