| 2018-11-17 | UFC Fight Night: Magny vs. Ponzinibbio | Flyweight | Alexandre Pantoja def. Ulka Sasaki | Submission (rear-naked choke) | 1 | 2:18 |
| 2018-06-23 | UFC Fight Night: Cowboy vs. Edwards | Flyweight | Ulka Sasaki def. Jenel Lausa | Submission (rear-naked choke) | 2 | 4:04 |
| 2017-09-23 | UFC Fight Night: Saint Preux vs. Okami | Flyweight | Jussier Formiga def. Ulka Sasaki | Submission (rear-naked choke) | 1 | 4:30 |
| 2017-06-17 | UFC Fight Night: Holm vs. Correia | Flyweight | Ulka Sasaki def. Justin Scoggins | Submission (rear-naked choke) | 2 | 3:19 |
| 2017-02-11 | UFC 208: Holm vs. de Randamie | Flyweight | Wilson Reis def. Ulka Sasaki | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2016-05-08 | UFC Fight Night: Overeem vs. Arlovski | Flyweight | Ulka Sasaki def. Willie Gates | Submission (rear-naked choke) | 2 | 3:30 |
| 2015-06-20 | UFC Fight Night: Jędrzejczyk vs. Penne | Bantamweight | Taylor Lapilus def. Ulka Sasaki | TKO (punches) | 2 | 1:26 |
| 2014-12-20 | UFC Fight Night: Machida vs. Dollaway | Bantamweight | Leandro Issa def. Ulka Sasaki | Submission (rear-naked choke) | 2 | 4:13 |
| 2014-08-23 | UFC Fight Night: Bisping vs. Le | Bantamweight | Ulka Sasaki def. Roland Delorme | Submission (rear-naked choke) | 1 | 1:06 |