Marcin Kościelny
| Full name: | Marcin Kościelny | |
| Current rank: | unranked | since August 20, 2018 |
| Highest Rank: | 47th | first reached July 20, 2015 (3 weeks in total) |
| Highest Year-End Rank: | 59th | (2015) |
| Titles/finals: | 0/0 | |
| Elo Rating: | 1481 (provisional Elo) |
| Full name: | Marcin Kościelny |
| Nationality: |
POL
|
| Gender: | male |
| Facebook.com/VK.com: | Profile Page |