| Challenger Madryt | 04/12 09:00 | 25 | [226] Sebastian Ofner v Yshai Oliel [334] | 6-4,6-4 | |
| Challenger Madryt | 04/11 09:00 | 19 | [262] Javier Barranco Cosano v Yshai Oliel [334] | 3-6,2-6 | |
| Challenger Madryt | 04/10 09:00 | 45 | [341] Denis Yevseyev v Yshai Oliel [331] | 4-6,3-6 | |
| Challenger Murcia | 04/03 12:40 | 14 | Yshai Oliel v Miguel Damas | 5-7,7-6,5-7 | |
| Challenger Pereira | 03/30 18:05 | 26 | [345] Yshai Oliel v Thiago Agustin Tirante [197] | 4-6,6-3,5-7 | |
| Challenger Pereira | 03/29 18:20 | 25 | [224] Matheus P De Almeida v Yshai Oliel [345] | 6-3,3-6,4-6 | |
| Challenger Pereira | 03/28 21:05 | 19 | Yshai Oliel v Naoki Nakagawa | 7-5,6-3 | |
| Challenger Pereira | 03/28 15:00 | 14 | Yshai Oliel v Pedro B Dias | 7-5,7-6 | |
| Challenger Santa Cruz | 03/22 19:00 | 25 | [345] Yshai Oliel v Jesper De Jong [189] | 6-7,3-6 | |
| Challenger Santa Cruz | 03/21 19:00 | 19 | [351] Yshai Oliel v Damien Wenger [468] | 6-3,6-4 | |
| Challenger Santa Cruz | 03/20 17:05 | 14 | Yshai Oliel v Gonzalo Bueno | 6-4,6-4 | |
| Challenger Concepcion | 03/14 16:05 | 19 | [351] Yshai Oliel v Corentin Denolly [456] | 5-7,1-6 | |
| Challenger Concepcion | 03/13 17:10 | 14 | [351] Yshai Oliel v Damien Wenger [468] | 7-6,6-4 | |
| Puchar Davisa | 03/05 12:40 | 45 | [343] Yshai Oliel v Lloyd Harris [34] | 6-3,6-4 | |
| Puchar Davisa | 03/04 13:55 | 45 | [343] Yshai Oliel v Ruan Roelofse [413] | 6-2,6-3 | |
| Challenger Pau | 02/21 10:00 | 19 | [282] Antoine Escoffier v Yshai Oliel [345] | 6-3,6-3 | |
| Challenger Pau | 02/20 14:50 | 14 | [353] Yshai Oliel v Viktor Durasovic [328] | 6-7,7-6,6-3 | |
| Challenger Antalya | 12/08 11:00 | 25 | [352] Yshai Oliel v Duje Ajdukovic [272] | 4-6,6-1,4-6 | |
| ITF - Afula M25 | 11/11 09:00 | 27 | [366] Yshai Oliel v Dan Added [418] | 6-7,4-6 | |
| ITF - Afula M25 | 11/10 11:55 | 26 | Yshai Oliel v Stuart Parker | 6-7,6-4,6-3 | |
| ITF - Afula M25 | 11/09 12:00 | 25 | Yshai Oliel v Alec Beckley | 6-2,6-3 | |
| ITF - Meitar M25 | 11/06 09:25 | 29 | Yshai Oliel v Stuart Parker | 6-2,6-4 | |
| ITF - Meitar M25 | 11/05 10:50 | 28 | [367] Yshai Oliel v Jacopo Berrettini [455] | Retired | |
| ITF - Meitar M25 | 11/04 11:55 | 27 | [367] Yshai Oliel v Michail Pervolarakis [465] | 4-6,6-4,6-4 | |
| ITF - Meitar M25 | 11/03 12:50 | 26 | Yshai Oliel v Naoki Nakagawa | 6-2,2-6,7-6 | |
| ITF - Meitar M25 | 11/02 14:30 | 25 | Yshai Oliel v Ren Nakamura | 6-4,6-2 | |
| ATP St Petersburg | 10/26 13:20 | 25 | [57] John Millman v Yshai Oliel [373] | 6-1,6-1 | |
| Challenger Barcelona | 10/05 10:30 | 25 | [135] Nikola Milojevic v Yshai Oliel [381] | 7-5,0-6,6-4 | |
| Challenger Barcelona | 10/04 13:00 | - | [397] Oleksii Krutykh v Yshai Oliel [381] | 1-6,2-6 | |
| Challenger Barcelona | 10/03 11:05 | 14 | [217] Vladyslav Manafov v Yshai Oliel [401] | 2-6,3-6 |
Jiszaj Oljel (hebr. ישי עוליאל; ang. Yshai Oliel, ur. 5 stycznia 2000 w Ramli) – izraelski tenisista, zwycięzca juniorskiego French Open 2016 w grze podwójnej, finalista juniorskiego Australian Open 2017 w grze pojedynczej.