Germany
12.03.96, 28 years
12.03.96, 28 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
USA
21.06.91, 32 years
20047 $
21.06.91, 32 years
20047 $
Viktor Kostin vs. Tyler Mercier - head to head matches
| 12.08.18 | q 2 | Viktor Kostin | Tyler Mercier | 6-75, 6-2, 6-3 | match details |  Poland F7 | Clay |
Viktor Kostin form & Tyler Mercier form
Viktor Kostin - last matches
| Poland F8 - Clay | ||||
| 20.08.18 qual. | vs. Michal Mikula | 4-6, 3-6 |  | match details |
| 19.08.18 q 2 | vs. Dominik Nazaruk | 6-2, 5-7, 7-5 |  | match details |
| 18.08.18 q 1 | vs. Nikita Gudozhnikov | 6-2, 6-2 | | match details |
| Poland F7 - Clay | ||||
| 13.08.18 qual. | vs. Michal Mikula | 5-7, - Viktor Kostin - retired | | match details |
| 12.08.18 q 2 | vs. Tyler Mercier | 6-75, 6-2, 6-3 | | match details |
| 11.08.18 q 1 | vs. Piotr Galus | 6-3, 7-5 | | match details |
| Poland F5 - Clay | ||||
| 17.08.16 1st round | vs. Karim-Mohamed Maamoun | 4-6, 1-6 | | match details |
| 15.08.16 q 2 | vs. Krzysztof Mlazga | 6-3, 6-1 | | match details |
| 15.08.16 qual. | vs. Mateusz Piatek | 6-2, 6-1 | | match details |
| Poland F4 - Clay | ||||
| 31.08.15 q 2 | vs. Karol Krawczynski | 4-6, 0-1, - Viktor Kostin - retired | | match details |
| 31.08.15 q 1 | vs. Vladyslav Orlov | 6-4, 6-1 | | match details |
| Poland F3 - Clay | ||||
| 24.08.15 1st round | vs. Axel Michon | 3-6, 1-6 | | match details |
| Poland F2 - Clay | ||||
| 17.08.15 q 2 | vs. Marcin Mol | 6-1, 6-1 | | match details |
| 17.08.15 2nd round | vs. Axel Michon | 2-6, 3-6 | | match details |
| 17.08.15 qual. | vs. Maciej Smola | 6-4, 3-6, 7-65 | | match details |
| 17.08.15 1st round | vs. Denys Mylokostov | 6-1, 7-61 | | match details |
| 17.08.15 q 1 | vs. Adam Mlazga | 6-4, 6-74, 6-3 | | match details |
 Germany F10 - Clay | ||||
| 03.08.15 q 1 | vs. Jesper Tull Freimuth | 3-6, 6-2, 5-7 | | match details |
| Poznan Challenger - Clay | ||||
| 11.07.15 q 1 | vs. Artem Smirnov | 2-6, 2-6 | | match details |
 Tunisia F7 - Hard | ||||
| 10.11.14 qual. | vs. Christian Hirschmueller | 6-79, 2-6 | | match details |
| 10.11.14 q 1 | vs. Arseniy Morozov | 6-3, 3-6, 6-1 | | match details |
| Tunisia F6 - Hard | ||||
| 03.11.14 1st round | vs. Steven Diez | 4-6, 6-3, 2-6 | | match details |
| 03.11.14 qual. | vs. Ismail Ben Ayed | 6-0, 6-1 | | match details |
| Germany F17 - Carpet | ||||
| 20.10.14 1st round | vs. Michal Schmid | 2-6, 6-72 | | match details |
| Szczecin Challenger - Clay | ||||
| 06.09.14 q 1 | vs. Piotr Gadomski | 2-6, 2-6 | | match details |
| Poland F6 - Clay | ||||
| 25.08.14 q 2 | vs. Igor Zubov | 5-7, 6-4, 1-6 | | match details |
| 25.08.14 q 1 | vs. Karol Krawczynski | 6-1, 6-4 | | match details |
| Poland F5 - Clay | ||||
| 18.08.14 q 2 | vs. Michal Nispon | 6-1, 6-3 | | match details |
| 18.08.14 qual. | vs. Petr Michnev | 3-6, 6-0, 6-1 | | match details |
| 18.08.14 1st round | vs. Ivo Klec | 6-4, 4-6, 6-2 | | match details |
Tyler Mercier - last matches
 All Lower - Clay | ||||
| 22.09.20 1st round | vs. Fletcher Scott | 5-7, 2-6 | | match details |
| 22.09.20 1st round | vs. Boris Arias | 6-1, 3-6, 8-10 | | match details |
| 17.09.20 1st round | vs. Grigoriy Lomakin | 2-6, 6-4, 10-7 | | match details |
| 15.09.20 1st round | vs. Adam El Mihdawy | 6-0, 6-1 | | match details |
| 15.09.20 1st round | vs. Fletcher Scott | 6-3, 6-5 | | match details |
| 14.09.20 1st round | vs. Boris Arias | 6-3, 3-6, 9-7 | | match details |
| 14.09.20 1st round | vs. Evan King | 4-6, 1-6 | | match details |
| 09.09.20 1st round | vs. Adam El Mihdawy | 2-6, 3-6 | | match details |
| 07.09.20 1st round | vs. Alejandro Gomez | 1-6, 6-2, 5-10 | | match details |
| 07.09.20 1st round | vs. Michael Redlicki | 6-3, 0-6, 8-10 | | match details |
| 03.09.20 1st round | vs. Jordi Arconada | 6-72, 3-6 | | match details |
| 25.08.20 1st round | vs. Maximiliano Estevez | 6-1, 6-1 | | match details |
| 15.08.20 1st round | vs. Grigoriy Lomakin | 3-6, 5-7 | | match details |
| 15.08.20 1st round | vs. Michael Redlicki | 1-6, 6-3, 10-3 | | match details |
| 04.08.20 1st round | vs. Perry Gregg | 3-6, 7-65, 8-10 | | match details |
| 01.08.20 1st round | vs. James Cerretani | 2-6, 6-4, 10-8 | | match details |
| 01.08.20 1st round | vs. George Goldhoff | 4-6, 3-6 | | match details |
| 28.07.20 1st round | vs. James Cerretani | 2-6, 6-3, 7-10 | | match details |
| 28.07.20 1st round | vs. Junior A. Ore | 6-71, 4-6 | | match details |
| 26.07.20 1st round | vs. Sebastian Eguez | 6-2, 6-2 | | match details |
| 18.07.20 1st round | vs. Sebastian Eguez | 2-6, 3-6 | | match details |
| 18.07.20 1st round | vs. Ivan Yatsuk | 6-74, 6-72 | | match details |
| 14.07.20 1st round | vs. Tyler Zink | 1-6, 5-7 | | match details |
| 14.07.20 1st round | vs. Stefan Storch | 3-6, 4-6 | | match details |
| 03.07.20 1st round | vs. Millen Hurrion | 7-67, 4-6, 2-10 | | match details |
| 20.06.20 1st round | vs. Cannon Kingsley | 2-6, 1-6 | | match details |
| 20.06.20 1st round | vs. Enzo Wallart | 3-6, 2-6 | | match details |
| 10.06.20 1st round | vs. Noah Schachter | 1-6, 2-6 | | match details |
 M15 Sharm - Hard | ||||
| 11.03.20 1st round | vs. Vladyslav Manafov | 5-7, 2-6 | | match details |
| M15 Sharm - Hard | ||||
| 04.03.20 1st round | vs. Vladyslav Manafov | 5-7, 3-6 | | match details |
