ATP 250 · 2018-09-17 · draw of 32
St. Petersburg 2018
HardFinal
| 🇦🇹 Dominic Thiem | d. | 🇸🇰 Martin Klizan | 6-3 6-1 | H2H |
Semifinals
| 🇸🇰 Martin Klizan | d. | 🇨🇭 Stan Wawrinka | 4-6 6-3 7-5 | H2H |
| 🇦🇹 Dominic Thiem | d. | 🇪🇸 Roberto Bautista Agut | 6-4 6-3 | H2H |
Quarterfinals
| 🇸🇰 Martin Klizan | d. | 🇨🇦 Denis Shapovalov | 3-6 7-5 6-3 | H2H |
| 🇨🇭 Stan Wawrinka | d. | 🇧🇦 Damir Dzumhur | 6-3 6-4 | H2H |
| 🇪🇸 Roberto Bautista Agut | d. | 🇮🇹 Marco Cecchinato | 7-6(0) 6-3 | H2H |
| 🇦🇹 Dominic Thiem | d. | 🇷🇺 Daniil Medvedev | 6-2 3-6 7-6(2) | H2H |
Round of 16
| 🇸🇰 Martin Klizan | d. | 🇮🇹 Fabio Fognini | 6-3 6-4 | H2H |
| 🇨🇦 Denis Shapovalov | d. | 🇮🇹 Matteo Berrettini | 7-6(6) 4-6 6-0 | H2H |
| 🇨🇭 Stan Wawrinka | d. | 🇷🇺 Karen Khachanov | 7-6(10) 7-6(1) | H2H |
| 🇧🇦 Damir Dzumhur | d. | 🇦🇷 Guido Pella | 6-4 6-4 | H2H |
| 🇪🇸 Roberto Bautista Agut | d. | 🇷🇺 Mikhail Youzhny | 7-6(6) 3-6 6-3 | H2H |
| 🇮🇹 Marco Cecchinato | d. | 🇸🇰 Lukas Lacko | 7-5 7-6(6) | H2H |
| 🇷🇺 Daniil Medvedev | d. | 🇰🇿 Mikhail Kukushkin | 6-3 6-4 | H2H |
| 🇦🇹 Dominic Thiem | d. | 🇩🇪 Jan-Lennard Struff | 7-6(4) 6-4 | H2H |
Round of 32
| 🇸🇰 Martin Klizan | d. | 🇷🇺 Evgeny Donskoy | 6-4 6-4 | H2H |
| 🇮🇹 Matteo Berrettini | d. | 🇪🇸 Guillermo Garcia-Lopez | 7-6(5) 2-6 6-3 | H2H |
| 🇨🇦 Denis Shapovalov | d. | 🇪🇸 Adrian Menendez-Maceiras | 7-6(3) 6-2 | H2H |
| 🇨🇭 Stan Wawrinka | d. | 🇸🇮 Aljaz Bedene | 7-5 7-6(5) | H2H |
| 🇦🇷 Guido Pella | d. | 🇧🇾 Ilya Ivashka | 4-6 6-3 6-4 | H2H |
| 🇧🇦 Damir Dzumhur | d. | 🇦🇹 Lucas Miedler | 7-5 6-3 | H2H |
| 🇪🇸 Roberto Bautista Agut | d. | 🇮🇹 Luca Vanni | 7-5 6-2 | H2H |
| 🇷🇺 Mikhail Youzhny | d. | 🇧🇦 Mirza Basic | 7-6(6) 6-4 | H2H |
| 🇸🇰 Lukas Lacko | d. | 🇧🇪 Ruben Bemelmans | 6-2 4-6 7-5 | H2H |
| 🇷🇺 Daniil Medvedev | d. | 🇵🇹 Joao Sousa | 6-4 6-1 | H2H |
| 🇰🇿 Mikhail Kukushkin | d. | 🇺🇿 Denis Istomin | 7-5 2-4 RET | H2H |
| 🇩🇪 Jan-Lennard Struff | d. | 🇷🇺 Andrey Rublev | 6-4 7-6(6) | H2H |