Romania
22.03.95, 29 years
22.03.95, 29 years
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Switzerland
27.06.00, 23 years
27.06.00, 23 years
Cosmin Ontica vs. Jonas Schaer - head to head matches
| 07.10.18 | q 2 | Cosmin Ontica | Jonas Schaer | 6-2, 5-7, 6-4 | match details |  Turkey F31 | Clay |
Cosmin Ontica form & Jonas Schaer form
Cosmin Ontica - last matches
 M15 Constanta - Clay | ||||
| 29.05.23 q 2 | vs. Giuseppe Tresca | 5-7, 0-1, - Cosmin Ontica - retired |  | match details |
| 28.05.23 q 1 | vs. Nicola Ion | 6-2, 6-1 |  | match details |
| M15 Constanta - Clay | ||||
| 04.09.22 q 1 | vs. Nicolas Hollender | 6-3, 3-6, 4-10 | | match details |
| M15 Bucharest - Clay | ||||
| 23.05.22 qual. | vs. Alexandru Luca | 7-63, 6-1 | | match details |
| 22.05.22 q 1 | vs. Stefan Eduard Dumitru | 6-1, 6-0 | | match details |
| 22.05.22 q 2 | vs. Louis Allen | 7-5, 3-0, Louis Allen - retired | | match details |
| M25 Pitesti - Clay | ||||
| 03.08.21 qual. | vs. Bogdan Pavel | 2-6, 0-1, - Cosmin Ontica - retired | | match details |
| 02.08.21 q 2 | vs. Nikola Kolyachev | 5-7, 6-0, 10-4 | | match details |
| 01.08.21 q 1 | vs. Laurentiu Mandocescu | 6-2, 6-1 | | match details |
| M15 Curtea - Clay | ||||
| 14.09.20 q 2 | vs. Bruno Pujol Navarro | 4-6, 5-7 | | match details |
| 13.09.20 q 1 | vs. Gheorghe Claudiu Schinteie | 6-1, 3-6, 10-7 | | match details |
| M15 Bucharest - Clay | ||||
| 07.09.20 q 2 | vs. Cezar Cretu | 6-4, 6-73, 4-10 | | match details |
| 06.09.20 q 1 | vs. Tudor Vlad Vasilache | 6-3, 6-1 | | match details |
 M15 Burgas - Clay | ||||
| 06.10.19 q 1 | vs. Yanaki Milev | 3-4, - Cosmin Ontica - retired | | match details |
| M15 Varna - Clay | ||||
| 12.09.19 2nd round | vs. Karlo Kranic | 5-7, 1-6 | | match details |
| 11.09.19 1st round | vs. Nir Vodavoz | 6-3, 6-2 | | match details |
| 09.09.19 qual. | vs. Hristo Valeov | 6-4, 6-2 | | match details |
| 09.09.19 q 1 | vs. Vincent Chen | 6-1, 6-3 | | match details |
| M15 Curtea - Clay | ||||
| 19.08.19 q 1 | vs. Adrian Barbu | 6-2, 2-6, 10-12 | | match details |
| M25 Pitesti - Clay | ||||
| 12.08.19 q 1 | vs. Alexandru Cristian Bodnariuk | 4-6, 1-6 | | match details |
| M15 Chitila - Clay | ||||
| 30.07.19 qual. | vs. Jake Hersey | 1-6, 0-2, - Cosmin Ontica - retired | | match details |
| 29.07.19 q 1 | vs. Gilad Tamar | 6-0, 6-4 | | match details |
| M15 Plovdiv - Clay | ||||
| 03.06.19 q 1 | vs. Milen Ianakiev | 6-1, 4-6, 6-10 | | match details |
| M25+H Bacau - Clay | ||||
| 28.05.19 qual. | vs. Luca Tomasetto | 3-6, 6-2, 6-10 | | match details |
| 27.05.19 q 1 | vs. Eduard Vlasceanu | 6-2, 6-3 | | match details |
| M15 Bucharest - Clay | ||||
| 21.05.19 qual. | vs. Albert Alcaraz Ivorra | 0-6, 2-6 | | match details |
| 20.05.19 q 1 | vs. Yanik Kaelin | 6-2, 6-1 | | match details |
| M15 Sozopol - Hard | ||||
| 07.05.19 qual. | vs. Roee Benya | 6-76, 6-1, 8-10 | | match details |
| 06.05.19 q 1 | vs. Luka Stojanovic (SRB) | 6-0, 6-1 | | match details |
| M15 Antalya - Clay | ||||
| 16.04.19 qual. | vs. Alexander Shevchenko | 4-6, 0-6 | | match details |
Jonas Schaer - last matches
 M25 Trimbach - Carpet | ||||
| 12.03.24 qual. | vs. Filippo Romano | 4-6, 3-6 | | match details |
| 11.03.24 q 1 | vs. Jacob Kahoun | 7-5, 6-2 | | match details |
 M15 Oberhaching - I. hard | ||||
| 12.02.24 qual. | vs. Fabien Salle | 6-3, 3-6, 7-10 | | match details |
| 11.02.24 q 2 | vs. Ryan James Storrie | 6-4, 3-6, 10-6 | | match details |
| 11.02.24 q 1 | vs. Yvo Panak | 7-66, 6-4 | | match details |
 M25+H Mulhouse - I. hard | ||||
| 30.10.23 qual. | vs. Pierre Delage | 3-6, 3-6 | | match details |
| 29.10.23 q 1 | vs. Max Cunat | 6-3, 6-4 | | match details |
| M15 Caslano - Clay | ||||
| 23.08.23 1st round | vs. Biagio Gramaticopolo | 3-6, 3-6 | | match details |
| M25 Muttenz - Clay | ||||
| 17.08.23 2nd round | vs. Maxime Mora | 3-6, 6-2, 6-76 | | match details |
| 16.08.23 1st round | vs. Mika Brunold | 6-3, 3-6, 6-4 | | match details |
| 15.08.23 qual. | vs. Leonardo Taddia | 6-2, 6-3 | | match details |
| 14.08.23 q 1 | vs. Thomas Mathys | 6-3, 5-7, 10-4 | | match details |
 M15 Monastir - Hard | ||||
| 05.04.23 1st round | vs. Zhan Zheng | 6-2, 4-6, 1-6 | | match details |
| 04.04.23 q 2 | vs. Abraham Asaba | Abraham Asaba - walk over | | match details |
| 04.04.23 qual. | vs. Aaron Gil Garcia | 3-6, 7-64, 12-10 | | match details |
| 03.04.23 q 1 | vs. William Bartram | 6-3, 6-4 | | match details |
| M15 Monastir - Hard | ||||
| 27.03.23 q 2 | vs. Youssef Labbene | 7-68, 4-6, 10-2 | | match details |
| 27.03.23 qual. | vs. Federico Salomone | 3-6, 0-6 | | match details |
| 26.03.23 q 1 | vs. Oleg Syrovatskiy | 6-0, 6-3 | | match details |
| Biel Challenger - I. hard | ||||
| 19.03.23 q 1 | vs. Saba Purtseladze | 6-4, 3-6, 2-6 | | match details |
| M25 Trimbach - Carpet | ||||
| 16.03.23 2nd round | vs. Neil Oberleitner | 6-76, 3-6 | | match details |
| 15.03.23 1st round | vs. Matthias Bachinger | 6-3, 0-6, 6-3 | | match details |
| 14.03.23 qual. | vs. Yann Marti | 7-5, 3-1, Yann Marti - retired | | match details |
| 13.03.23 q 1 | vs. Jacob Kahoun | 6-4, 6-1 | | match details |
| M15 Oberhaching - I. hard | ||||
| 12.02.23 q 1 | vs. Andrej Nedic | 2-6, 4-6 | | match details |
| M25 Veigy - Carpet | ||||
| 09.01.23 qual. | vs. Yanis Ghazouani Durand | 3-6, 3-6 | | match details |
| 08.01.23 q 1 | vs. Mayeul Darras | 6-4, 6-4 | | match details |
 M15 Madrid - Clay | ||||
| 07.12.22 1st round | vs. Jan Choinski | 1-6, 6-73 | | match details |
| 06.12.22 qual. | vs. Luca Parenti | 6-0, 6-0 | | match details |
| 05.12.22 q 2 | vs. Georgi Deyanov | 6-3, 6-1 | | match details |
