 Bosnia and Herzegovina: Banja Luka - Doubles - Main |
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| 1/8-finals | Durasovic V./Santillan A. | Klok D./Prihodko O. | 2:0 (6:3, 6:4) | details | 09.08.2023 |
 Bulgaria: M15 Pazardzhik - Doubles - Main |
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| Final | Klok D./Prihodko O. | Rossi L./Sorrentino L. | 2:0 (7:64, 6:3) | details | 21.05.2023 |
| Semi-finals | Klok D./Prihodko O. | Ignat D. C./Schinteie G. C. | 2:0 (6:2, 6:4) | details | 19.05.2023 |
| Quarter-finals | Klok D./Prihodko O. | Miceli M./Tenti F. | 2:0 (6:4, 7:5) | details | 18.05.2023 |
| 1/8-finals | Klok D./Prihodko O. | Skorilas A./Xilas I. | 2:0 (6:2, 6:0) | details | 16.05.2023 |
 Turkey: M15 Antalya 30 - Doubles - Main |
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| Quarter-finals | Klok D./Prihodko O. | Iamachkine P./Rizzuti G. | 0:2 (3:6, 0:6) | details | 05.11.2021 |
| 1/8-finals | Klok D./Prihodko O. | Abibsi A./Kachushkin I. | 2:0 (6:2, 6:0) | details | 04.11.2021 |
 Georgia: M15 Telavi - Doubles - Main |
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| Final | Bondarevskiy Y./Lomakin G. | Klok D./Prihodko O. | 2:1 (6:4, 3:6, 10:6) | details | 06.08.2021 |
| Semi-finals | Bertuccioli F./Ingarao A. | Klok D./Prihodko O. | 0:2 (63:7, 1:6) | details | 05.08.2021 |
| Quarter-finals | Kachmazov A./Zgirovsky A. | Klok D./Prihodko O. | 0:2 (66:7, 5:7) | details | 04.08.2021 |
| 1/8-finals | Bolotov S./Tashbulatov D. | Klok D./Prihodko O. | 0:2 (2:6, 2:6) | details | 03.08.2021 |
 Spain: M25 Denia - Doubles - Main |
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| Semi-finals | Diaz Acosta F./Mochizuki S. | Klok D./Prihodko O. | 2:0 (6:3, 6:3) | details | 30.07.2021 |
| Quarter-finals | Klok D./Prihodko O. | Alcala Gurri M./Hardt N. | 2:1 (7:64, 3:6, 10:7) | details | 29.07.2021 |
| 1/8-finals | Klok D./Prihodko O. | Boureau A./Villoslada E. | 2:0 (6:3, 6:1) | details | 27.07.2021 |
| Bulgaria: M15 Sofia - Doubles - Main |
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| Final | Klok D./Prihodko O. | Ho R./Pavel B. | 2:0 (7:5, 6:4) | details | 10.07.2021 |
| Semi-finals | Klok D./Prihodko O. | Braynin A./Ouakaa A. | 2:1 (1:6, 6:1, 10:5) | details | 09.07.2021 |
| Quarter-finals | Klok D./Prihodko O. | Cigarran T./Comesana F. | 2:0 (6:3, 6:2) | details | 08.07.2021 |
| 1/8-finals | Klok D./Prihodko O. | Snitari I./Thanos A. | 2:1 (6:2, 3:6, 10:6) | details | 07.07.2021 |
| Turkey: M15 Antalya - Doubles - Main |
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| Quarter-finals | Klok D./Prihodko O. | Velotti A./Zukas M. | 0:2 (3:6, 4:6) | details | 11.02.2021 |
| 1/8-finals | Klok D./Prihodko O. | Rihane Y./Vanta V. | 2:1 (7:64, 4:6, 10:6) | details | 10.02.2021 |
| Spain: M15 Manacor 3 - Doubles - Main |
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| 1/8-finals | Martineau M./Reymond A. | Klok D./Prihodko O. | 2:0 (6:4, 7:611) | details | 13.01.2021 |
| Spain: M15 Manacor (Mallorca) - Doubles - Main |
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| Quarter-finals | Klok D./Prihodko O. | Mejia N./Vives Marcos P. | 0:2 (5:7, 1:6) | details | 08.01.2021 |
| 1/8-finals | Basing M./Ktiri M. | Klok D./Prihodko O. | 0:2 (5:7, 3:6) | details | 05.01.2021 |
| Turkey: M15 Antalya 6 - Doubles - Main |
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| 1/8-finals | Giacomini L./Jorda Sanchis D. | Klok D./Prihodko O. | CAN. | details | 15.02.2020 |
