Stadium: Court 2 Round: 45 Ground: Hardcourt outdoor
| ITF - M25 Vic | 2019/05/20 12:00 | Uryson, Nicolas v Ivan Marrero Curbelo | 2-6,6-2,10-4 |
| ITF M15 Valldoreix | 2019/05/14 08:00 | Nikolas Sanchez Izquierdo v Ivan Marrero Curbelo | 6-2,6-2 |
| ITF M15 Valldoreix | 2019/05/13 08:30 | Shipilov, Sergey v Ivan Marrero Curbelo | 6-7,4-6 |
| ITF M15 Las Palmas | 2019/05/08 13:30 | Ivan Marrero Curbelo v Carlos Lopez Montagud | 4-6,1-6 |
| ITF M15 Las Palmas | 2019/05/01 14:10 | Solberg, Christoffer v Ivan Marrero Curbelo | 6-3,6-3 |
| ITF M15 Madrid | 2019/04/15 09:30 | Pol Martin Tiffon v Ivan Marrero Curbelo | 6-1,6-2 |
| ITF M15 Reus | 2019/04/08 07:30 | Exposito, Adrian v Ivan Marrero Curbelo | 6-7,0-6 |
| ITF - M15 Antalya | 2019/04/03 11:20 | Denis Klok v Ivan Marrero Curbelo | 6-4,6-4 |
| ITF M25 Martos | 2019/06/17 08:00 | Korobeynikov, Grigoriy v Canas Garcia, Juan Pablo | 4-6,6-7 |
| ITF M15 Majadahonda | 2019/05/27 08:00 | Moreno, Federico v Korobeynikov, Grigoriy | 6-2,7-5 |
| ITF - M25 Vic | 2019/05/20 08:30 | Roglan, Albert v Korobeynikov, Grigoriy | 6-4,6-1 |
| ITF M15 Valldoreix | 2019/05/13 11:00 | Carlos Sanchez Jover v Korobeynikov, Grigoriy | 6-0,6-1 |
| Namangan, Singles Qualifying M-ITF-UZB-02A | 2019/04/29 09:05 | Ivan Liutarevich v Korobeynikov, Grigoriy | 6-3,5-7,18-16 |
| Andijan, Singles Qualifying M-ITF-UZB-01A | 2019/04/22 05:00 | Korobeynikov, Grigoriy v Scott Duncan | 6-4,6-7,10-12 |
| Shymkent, Singles Qualifying M-ITF-KAZ-03A | 2019/04/15 04:00 | Ayap, Sagadat v Korobeynikov, Grigoriy | 6-2,6-2 |
| Shymkent, Singles Qualifying M-ITF-KAZ-03A | 2019/04/10 12:05 | Kalovelonis, Markos v Korobeynikov, Grigoriy | 6-2,6-4 |