 Greece: M15 Heraklion 6 - Doubles - Main |
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| Quarter-finals | Kodat T. A./Paroulek T. | Kalovelonis M./Pervolarakis M. | 2:1 (1:6, 6:1, 10:7) | details | 26.11.2020 |
| 1/8-finals | Iliopoulos V./Schinas S. | Kalovelonis M./Pervolarakis M. | 0:2 (3:6, 63:7) | details | 24.11.2020 |
| Greece: M15 Heraklion 5 - Doubles - Main |
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| 1/8-finals | Kalovelonis M./Pervolarakis M. | Alves M./Rodrigues N. | CAN. | details | 18.11.2020 |
| Greece: M15 Heraklion 4 - Doubles - Main |
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| Semi-finals | Johnson L./Pervolarakis M. | Paul J./Veldheer M. | 0:1 RET. (1:6) | details | 16.11.2020 |
| Quarter-finals | Hamou M./Lopez Villasenor G. | Johnson L./Pervolarakis M. | 1:2 (6:4, 3:6, 6:10) | details | 14.11.2020 |
 Portugal: M15 Setubal - Doubles - Main |
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| Quarter-finals | Fanselow S./Neuchrist M. | Ferrari F./Pervolarakis M. | 2:0 (6:4, 6:4) | details | 08.10.2020 |
| 1/8-finals | Ferrari F./Pervolarakis M. | Cerundolo J. M./Ugo Carabelli C. | 2:0 (7:5, 6:3) | details | 07.10.2020 |
| Portugal: M25 Porto - Doubles - Main |
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| 1/8-finals | Goncalves M./Maia H. | Falcao G./Pervolarakis M. | 2:0 (6:3, 7:5) | details | 29.09.2020 |
 Australia: Launceston - Doubles - Main |
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| 1/8-finals | Broady L./Peliwo F. | Gojo B./Pervolarakis M. | 2:1 (5:7, 7:68, 10:6) | details | 04.02.2020 |
| Australia: ATP Cup - Doubles - Main |
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| | Pervolarakis M./Tsitsipas S. | Guccione C./Peers J. | CAN. | details | 07.01.2020 |
| | Krawietz K./Mies A. | Pervolarakis M./Tsitsipas S. | 2:1 (3:6, 6:3, 17:15) | details | 05.01.2020 |
| | Pervolarakis M./Tsitsipas P. | Auger-Aliassime F./Shapovalov D. | 0:2 (2:6, 3:6) | details | 03.01.2020 |
 World: Davis Cup - Group III - Doubles - Main |
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| | Kubot L./Matkowski M. | Pervolarakis M./Tsitsipas S. | 2:1 (3:6, 6:4, 6:1) | details | 12.09.2019 |
USA: East Lansing - Singles - Main