St. Petersburg 2018 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Dominic Thiem | d. | Martin Klizan | 6-3 6-1 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Martin Klizan | d. | Stan Wawrinka | 4-6 6-3 7-5 |
| Dominic Thiem | d. | Roberto Bautista Agut | 6-4 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Martin Klizan | d. | Denis Shapovalov | 3-6 7-5 6-3 |
| Stan Wawrinka | d. | Damir Dzumhur | 6-3 6-4 |
| Roberto Bautista Agut | d. | Marco Cecchinato | 7-6(0) 6-3 |
| Dominic Thiem | d. | Daniil Medvedev | 6-2 3-6 7-6(2) |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Martin Klizan | d. | Fabio Fognini | 6-3 6-4 |
| Denis Shapovalov | d. | Matteo Berrettini | 7-6(6) 4-6 6-0 |
| Stan Wawrinka | d. | Karen Khachanov | 7-6(10) 7-6(1) |
| Damir Dzumhur | d. | Guido Pella | 6-4 6-4 |
| Roberto Bautista Agut | d. | Mikhail Youzhny | 7-6(6) 3-6 6-3 |
| Marco Cecchinato | d. | Lukas Lacko | 7-5 7-6(6) |
| Daniil Medvedev | d. | Mikhail Kukushkin | 6-3 6-4 |
| Dominic Thiem | d. | Jan Lennard Struff | 7-6(4) 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Martin Klizan | d. | Evgeny Donskoy | 6-4 6-4 |
| Matteo Berrettini | d. | Guillermo Garcia Lopez | 7-6(5) 2-6 6-3 |
| Denis Shapovalov | d. | Adrian Menendez Maceiras | 7-6(3) 6-2 |
| Stan Wawrinka | d. | Aljaz Bedene | 7-5 7-6(5) |
| Guido Pella | d. | Ilya Ivashka | 4-6 6-3 6-4 |
| Damir Dzumhur | d. | Lucas Miedler | 7-5 6-3 |
| Roberto Bautista Agut | d. | Luca Vanni | 7-5 6-2 |
| Mikhail Youzhny | d. | Mirza Basic | 7-6(6) 6-4 |
| Lukas Lacko | d. | Ruben Bemelmans | 6-2 4-6 7-5 |
| Daniil Medvedev | d. | Joao Sousa | 6-4 6-1 |
| Mikhail Kukushkin | d. | Denis Istomin | 7-5 2-4 RET |
| Jan Lennard Struff | d. | Andrey Rublev | 6-4 7-6(6) |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Lucas Miedler | d. | Uladzimir Ignatik | 7-5 6-2 |
| Adrian Menendez Maceiras | d. | Ruben Bemelmans | 4-6 6-2 6-3 |
| Ilya Ivashka | d. | Evgenii Tiurnev | 7-6(4) 7-6(3) |
| Luca Vanni | d. | Roman Safiullin | 6-4 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Uladzimir Ignatik | d. | Alexey Vatutin | 7-5 6-4 |
| Lucas Miedler | d. | Viktor Troicki | 6-2 6-3 |
| Adrian Menendez Maceiras | d. | Ivan Nedelko | 6-2 6-3 |
| Ruben Bemelmans | d. | Egor Gerasimov | 6-2 4-6 7-6(4) |
| Evgenii Tiurnev | d. | Stephane Robert | 6-3 6-4 |
| Ilya Ivashka | d. | Evgeny Karlovskiy | 2-6 7-6(6) 6-4 |
| Luca Vanni | d. | Daniel Brands | 6-4 4-6 7-5 |
| Roman Safiullin | d. | Lorenzo Sonego | 3-6 6-4 7-5 |