| Australian Open, Melbourne, Australia | 01/09 23:00 | 14 | [166] 스블시나, 달리보르 v Jasika, Omar [341] | 3-6,6-1,2-6 | |
| ATP Brisbane | 12/30 06:50 | 14 | [342] Jasika, Omar v 제피에리, 기우리오 [135] | 5-7,3-6 | |
| UTR Pro Melbourne | 12/23 00:30 | - | Jasika, Omar v Taylor, Jeremy | 6-2,6-1 | |
| UTR Pro Melbourne | 12/22 01:00 | - | Jasika, Omar v Luke Sorensen | 6-0,6-2 | |
| UTR Pro Melbourne | 12/21 03:30 | - | 부지치, 스테판 v Jasika, Omar | 3-6,4-6 | |
| UTR Pro Melbourne | 12/20 01:00 | - | Fitzgerald, Patrick v Jasika, Omar | 2-6,0-6 | |
| UTR Pro Melbourne | 12/18 05:30 | - | Lachlan Brain v Jasika, Omar | 0-6,0-6 | |
| UTR Pro Melbourne | 12/16 22:00 | - | Jasika, Omar v 피엘즈, 오마르 | 6-3,6-1 | |
| Challenger Yokkaichi | 11/29 01:30 | 26 | [320] Jasika, Omar v 트로터, 젬스 켄트 [433] | 6-2,2-6,4-6 | |
| Challenger Yokkaichi | 11/27 03:45 | 25 | [272] Seongchan Hong v Jasika, Omar [320] | 7-6,4-6,2-6 | |
| Challenger Yokohama | 11/21 04:25 | 25 | [241] 블란카네우, 게오프레이 v Jasika, Omar [316] | 6-4,6-7,6-3 | |
| Challenger Yokohama | 11/20 01:00 | 19 | Jasika, Omar v 펜티, 안드루 | 6-3,3-6,7-5 | |
| Challenger Yokohama | 11/19 03:20 | 14 | Jasika, Omar v 모치즈키, 유키 | 6-0,7-6 | |
| Challenger Kobe | 11/13 05:10 | 25 | [319] Jasika, Omar v Seongchan Hong [218] | 3-6,1-6 | |
| Challenger Sydney | 10/30 03:50 | 25 | [131] 모치즈키, 신타로 v Jasika, Omar [283] | 6-4,6-4 | |
| Challenger Playford | 10/23 04:35 | 25 | [283] Jasika, Omar v 우치야마, 야스타카 [320] | 3-6,2-6 | |
| ITF M25 Cairns | 10/15 01:00 | 29 | Jasika, Omar v 델라니, 제크 | 6-7,6-4,6-4 | |
| ITF M25 Cairns | 10/14 01:00 | 28 | [315] Jasika, Omar v 모트, 블랙 [456] | 6-3,6-2 | |
| ITF M25 Cairns | 10/13 01:00 | 27 | Jasika, Omar v Pavle Marinkov | 7-6,6-1 | |
| ITF M25 Cairns | 10/12 00:00 | 26 | Jasika, Omar v 스미자와, 다이스케 | 6-1,6-2 | |
| ITF M25 Cairns | 10/11 00:00 | 25 | Jasika, Omar v 리안 지에간, 삼 | 6-0,6-3 | |
| Shanghai, China | 10/02 04:00 | 14 | [298] Jasika, Omar v 나콜리타노, 스테파노 [253] | 1-6,5-7 | |
| Chengdu, China | 09/20 03:00 | 19 | [106] 코토브, 파벨 v Jasika, Omar [303] | 6-2,6-2 | |
| Chengdu, China | 09/19 03:00 | 14 | [380] 할리아크, 미칼라이 v Jasika, Omar [303] | 7-5,3-6,2-6 | |
| Challenger Guangzhou | 09/14 05:00 | 27 | [251] 돈스코이, 에브게니 v Jasika, Omar [319] | 3-6,7-6,6-2 | |
| Challenger Guangzhou | 09/13 03:50 | 26 | [319] Jasika, Omar v Shang, Juncheng [155] | Retired | |
| Challenger Guangzhou | 09/12 02:00 | 25 | [321] 볼트, 알렉스 v Jasika, Omar [319] | 7-5,2-6,6-7 | |
| Challenger Shanghai | 09/05 07:55 | 25 | [272] Jasika, Omar v Atmane, Terence [218] | 3-6,6-7 | |
| Challenger Lexington | 08/04 01:10 | 26 | [138] 카자욱스, 알투르 v Jasika, Omar [265] | 6-2,6-3 | |
| Challenger Lexington | 08/01 16:20 | 25 | [266] 페니스톤, 리안 v Jasika, Omar [265] | 5-7,2-6 |
Omar Jasika (Bosnian pronunciation: [jǎsika]; born 18 May 1997) is an Australian professional tennis player. Jasika has a career-high singles ranking of World No. 223 achieved on 30 January 2023 and a career-high doubles ranking of World No. 220 achieved on 23 May 2016.
Jasika is the 2014 US Open boys' singles champion. He along with Naoki Nakagawa also won the 2014 US Open boys' doubles title defeating Rafael Matos and João Menezes in the final. In winning both, Jasika became the first player in 28 years to win both the boys’ singles and doubles events at the US Open.