Chengdu 
Tokyo 
Astana 
Caldas da Rainha 
Seoul 
Villa Maria 
Bad Waltersdorf 
Davis Сup Group I Tennis. Played Majchrzak Kamil. Season 2018
Country 
Poland. Ranking ATP 78.
Poland. Ranking ATP 78. ATP - US Open | ||||
|---|---|---|---|---|
| 24.08.2018 | Qualifications - 2nd round | Granollers Marcel — Majchrzak Kamil | 2:0 (6:3, 6:3) |
|
| 23.08.2018 | Qualifications - 1st round | Majchrzak Kamil — Pavlasek Adam | 2:1 (2:6, 6:1, 6:3) |
|
 ATP - Wimbledon | ||||
| 26.06.2018 | Qualifications - 2nd round | Majchrzak Kamil — Kokkinakis Thanasi | 0:2 (1:6, 4:6) |
|
| 25.06.2018 | Qualifications - 1st round | Majchrzak Kamil — Nagal Sumit | 2:0 (6:2, 6:0) |
|
 ATP - French Open | ||||
| 21.05.2018 | Qualifications - 1st round | Majchrzak Kamil — Serdarusic Nino | 0:2 (4:6, 3:6) |
|
 ATP - Australian Open | ||||
| 10.01.2018 | Qualifications - 1st round | Bemelmans Ruben — Majchrzak Kamil | 2:1 (7:5, 5:7, 7:5) |
|