Denis Grachev (badminton)
Denis Valerevich Grachev is a Russian badminton player. He educated in the School of Arts, Culture and Sports at the Far Eastern Federal University, and was a champion of the 2014 National University Championships in the men's singles and doubles events. Grachev was part of the Russian national team that won the bronze medal at the 2020 European Men's Team Championships.
Achievements
BWF International Challenge/Series (5 titles, 2 runners-up)
Men's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2017 | Brazil International |  Evgenij Dremin |  Adam Mendrek  Jonathan Persson | 21–17, 21–16 | Winner |
| 2016 | Bahrain International Challenge | Evgenij Dremin |  Vighnesh Devlekar Rohan Kapoor | 21–18, 21–17 | Winner |
| 2014 | Lithuanian International | Artem Karpov | Stanislav Pukhov Sergey Sirant | Walkover | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2018 | Dubai International | Ekaterina Bolotova |  Yoo Yeon-seong Park So-young | 14–21, 21–17, 14–21 | Runner-up |
| 2016 | Lithuanian International | Ekaterina Bolotova |  Pawel Smilowski Magdalena Swierczynska | 21–11, 21–16 | Winner |
| 2015 | Riga International | Anastasia Chervyakova |  Mads Emil Christensen Cecilie Sentow | 21–18, 21–17 | Winner |
| 2010 | Cyprus International | Anastasia Chervyakova | Niclas Nohr Lena Grebak | 13–21, 21–18, 12–21 | Runner-up |