US Open 
Sao Paulo 
Guangzhou 
Osaka 
Seoul 
Tulln 
Como 
Porto 2 
Manacor 
Istanbul Tennis. Played Haase Robin. Season 2020
Country 
Netherlands. Ranking ATP 0.
Netherlands. Ranking ATP 0. ATP - French Open | ||||
|---|---|---|---|---|
| 23.09.2020 | Qualifications - 2nd round | Martinez Portero Pedro — Haase Robin | 2:0 (6:4, 6:4) |
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| 21.09.2020 | Qualifications - 1st round | Haase Robin — Domingues Joao | 2:0 (6:1, 7:5) |
|
 Ostrava | ||||
| 02.09.2020 | First round | Griekspoor Tallon — Haase Robin | 2:1 (4:6, 6:4, 7:6) |
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| Prague II | ||||
| 28.08.2020 | Quarter-finals | Griekspoor Tallon — Haase Robin | 2:0 (6:3, 6:2) |
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| 26.08.2020 | Third round | Haase Robin — Kolar Zdenek | 2:0 (6:3, 6:2) |
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| 25.08.2020 | Second round | Haase Robin — Machac Tomas | 2:0 (6:3, 6:4) |
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| Prague | ||||
| 16.08.2020 | First round | Karatsev Aslan — Haase Robin | 2:0 (6:4, 6:2) |
|
 Astana 1 | ||||
| 11.03.2020 | Second round | Karatsev Aslan — Haase Robin | 2:0 (7:6, 6:1) |
|
 Davis Сup World Group | ||||
| 07.03.2020 | Qualification Playoffs | Bublik Alexander — Haase Robin | 2:0 (7:6, 6:1) |
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| 06.03.2020 | Qualification Playoffs | Haase Robin — Kukushkin Mikhail | 2:1 (6:4, 6:7, 6:3) |
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| Pau | ||||
| 25.02.2020 | Second round | Haase Robin — Mayot Harold | 0:2 (6:7, 6:7) |
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| ATP - ABN/AMRO World Tennis Tournament | ||||
| 12.02.2020 | First round | Goffin David — Haase Robin | 2:1 (3:6, 7:6, 6:4) |
|
 ATP - Chennai Open | ||||
| 02.02.2020 | Qialification final | Milojevic Nikola — Haase Robin | 2:0 (6:3, 6:3) |
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| 01.02.2020 | Qualifications - 1st round | Ferreira Silva Frederico — Haase Robin | 1:2 (6:3, 6:7, 4:6) |
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 Bangkok | ||||
| 13.01.2020 | Second round | Haase Robin — Arnaboldi Andrea | 1:2 (3:6, 6:3, 1:6) |
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