| ITF Spain F18 | 06/23 18:30 | 27 | Ισάι Ολιέλ v Pablo Vivero Gonzalez | 2-6,2-6 | |
| ITF Spain F18 | 06/22 17:30 | 26 | Μικ Λεσκούρ v Ισάι Ολιέλ | Retired | |
| ITF Spain F18 | 06/21 07:30 | 25 | Jaime Fermosell v Ισάι Ολιέλ | 2-6,4-6 | |
| ITF Spain F18 Qual | 06/19 07:30 | 54 | Βίκτορ Ντουράσοβιτς v Ισάι Ολιέλ | 3-6,6-4,6-7 | |
| ITF Israel F2 | 02/16 08:00 | 25 | Αντουάν Εσκοφίρ v Ισάι Ολιέλ | 3-6,6-4,6-2 | |
| ITF Israel F1 | 02/11 11:25 | 26 | Ματέο Βιόλα v Ισάι Ολιέλ | 6-2,6-0 | |
| ITF Israel F1 | 02/10 08:30 | 25 | Ντάβιντ Πίχλερ v Ισάι Ολιέλ | 6-4,0-6,4-6 | |
| ITF Israel F1 | 02/09 10:00 | 62 | Ισάι Ολιέλ v Γιάσα Ζεμέλ | 6-0,6-3 | |
| ITF Israel F1 | 02/09 07:30 | 62 | Jonas Luetjen v Ισάι Ολιέλ | 6-7,6-4,3-6 | |
| ITF Israel F1 | 02/07 10:00 | 62 | Ισάι Ολιέλ v Λιόρ Γκόλντενμπεργκ | 6-2,6-3 | |
| ITF Israel F15 | 10/29 08:00 | 26 | Ισάι Ολιέλ v Bar Tzuf Botzer | 4-6,0-6 | |
| ITF Israel F15 | 10/28 12:30 | 25 | Orel Ovil v Ισάι Ολιέλ | 3-6,6-7 | |
| ITF Israel F14 | 10/20 08:30 | 25 | Μάρτιν Μπέραν v Ισάι Ολιέλ | 6-3,5-7,6-2 | |
| ITF Israel F10 | 04/29 08:00 | - | Ντάνιελ Κούκιερμαν v Ισάι Ολιέλ | 6-0,1-6,6-3 |
Yshai Oliel (Hebrew: ישי עוליאל; born 5 January 2000) is an Israeli tennis player. He has a career-high ATP singles ranking of world No. 305 achieved on 8 August 2022 and a doubles ranking of No. 809 achieved on 27 June 2022.
He was the No. 1 Israeli from October 4, 2021, until October 3, 2022.
Oliel is a two-time Junior Orange Bowl champion, having won in 2012 and 2014. He also won the 2016 French Open Boys' Doubles title, with Patrik Rikl. He also reached the final in the boys' singles at the 2017 Australian Open.