 USA: W100 Bonita Springs, FL - Doubles - Main |
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| Final | Hozumi E./Kato M. | Routliffe E./Sutjiadi A. | 1:2 (3:6, 6:4, 6:10) | details | 16.05.2021 |
| Semi-finals | Baptiste H./Osuigwe W. | Hozumi E./Kato M. | 1:2 (5:7, 6:2, 4:10) | details | 15.05.2021 |
| Quarter-finals | Hozumi E./Kato M. | Eikeri U./Harrison C. | 2:0 (6:3, 6:2) | details | 13.05.2021 |
| 1/8-finals | Hozumi E./Kato M. | Ahn K./Gleason Q. | 2:0 (6:1, 6:0) | details | 11.05.2021 |
| USA: W100 Charleston, SC - Doubles - Main |
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| Final | McNally C./Hunter S. | Hozumi E./Kato M. | 2:1 (7:5, 4:6, 10:6) | details | 08.05.2021 |
| Semi-finals | Hozumi E./Kato M. | Krunic A./Radwanska U. | 2:0 (7:5, 6:1) | details | 07.05.2021 |
| Quarter-finals | Govortsova O./Zarazua R. | Hozumi E./Kato M. | 0:2 (3:6, 3:6) | details | 06.05.2021 |
| 1/8-finals | Di Lorenzo F./Moore T. | Hozumi E./Kato M. | 0:2 (2:6, 3:6) | details | 05.05.2021 |
| USA: W60 Charlottesville, VA - Doubles - Main |
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| 1/8-finals | Baptiste H./Osuigwe W. | Hozumi E./Kato M. | 2:0 (6:4, 6:0) | details | 28.04.2021 |
 Mexico: Guadalajara 2 - Doubles - Main |
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| 1/8-finals | Bolsova Zadoinov A./Kovinic D. | Hozumi E./Kato M. | 2:1 (6:2, 65:7, 10:3) | details | 10.03.2021 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Babos T./Mladenovic K. | Hozumi E./Kato M. | 2:0 (6:4, 6:3) | details | 05.07.2018 |
 Australia: Australian Open - Doubles - Main |
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| 1/16-finals | Atawo R./Groenefeld A. | Hozumi E./Kato M. | 2:0 (6:1, 6:1) | details | 19.01.2018 |
| 1/32-finals | Adamczak M./Hunter S. | Hozumi E./Kato M. | 0:2 (3:6, 5:7) | details | 18.01.2018 |
 New Zealand: Auckland - Doubles - Main |
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| Final | Hozumi E./Kato M. | Errani S./Schoofs B. | 0:2 (5:7, 1:6) | details | 07.01.2018 |
| Semi-finals | Hozumi E./Kato M. | Brengle M./Melichar-Martinez N. | 2:0 (6:3, 6:3) | details | 05.01.2018 |
| Quarter-finals | Hozumi E./Kato M. | Bonaventure Y./Golubic V. | 2:0 (6:3, 6:3) | details | 03.01.2018 |
| 1/8-finals | Hozumi E./Kato M. | Davis L./McHale C. | 2:0 (6:4, 6:2) | details | 02.01.2018 |
 Hong Kong: Hong Kong - Doubles - Main |
|---|
| Semi-finals | Chan H-C./Chan L. | Hozumi E./Kato M. | 2:1 (6:1, 65:7, 10:2) | details | 13.10.2017 |
| Quarter-finals | Hozumi E./Kato M. | Ip K./Zhang L. | 2:0 (6:0, 6:4) | details | 12.10.2017 |
| 1/8-finals | Hozumi E./Kato M. | Christian K./Guarachi A. | 2:1 (6:1, 4:6, 10:6) | details | 10.10.2017 |
 Japan: Tokyo - Doubles - Main |
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| Quarter-finals | Hozumi E./Kato M. | Klepac A./Martinez Sanchez M. J. | 0:2 (3:6, 5:7) | details | 20.09.2017 |
| 1/8-finals | Melichar-Martinez N./Smith A. | Hozumi E./Kato M. | 0:2 (4:6, 1:6) | details | 19.09.2017 |
| Japan: Tokyo 2 - Doubles - Main |
|---|
| Quarter-finals | Adamczak M./Hunter S. | Hozumi E./Kato M. | 2:0 (6:4, 6:2) | details | 14.09.2017 |
| 1/8-finals | Diyas Z./Xu Y. | Hozumi E./Kato M. | 0:2 (0:6, 2:6) | details | 13.09.2017 |
| USA: US Open - Doubles - Main |
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| 1/16-finals | Hozumi E./Kato M. | Hsieh S-W./Niculescu M. | 0:2 (4:6, 2:6) | details | 03.09.2017 |
| 1/32-finals | Di Lorenzo F./Kiick A. | Hozumi E./Kato M. | 0:2 (65:7, 64:7) | details | 31.08.2017 |
 Canada: Toronto - Doubles - Main |
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| 1/16-finals | Hozumi E./Kato M. | Dabrowski G./Ostapenko J. | 0:2 (5:7, 3:6) | details | 07.08.2017 |
| United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Adamczak M./Hunter S. | Hozumi E./Kato M. | 2:0 (6:1, 6:2) | details | 05.07.2017 |
 France: French Open - Doubles - Main |
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| 1/16-finals | Hozumi E./Kato M. | Barty A./DellAcqua C. | 0:2 (4:6, 1:6) | details | 03.06.2017 |
| 1/32-finals | Hozumi E./Kato M. | Muhammad A./Townsend T. | 2:0 (7:5, 6:3) | details | 31.05.2017 |
| 1/32-finals | Cepelova J./Hsieh S-W. | Hozumi E./Kato M. | CAN. | details | 31.05.2017 |
 Italy: Rome - Doubles - Main |
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| 1/8-finals | Spears A./Srebotnik K. | Hozumi E./Kato M. | 2:0 (6:2, 7:5) | details | 18.05.2017 |
| 1/16-finals | Stosur S./Zhang S. | Hozumi E./Kato M. | 0:2 (2:6, 4:6) | details | 16.05.2017 |
 China: Zhengzhou - Doubles - Main |
|---|
| Quarter-finals | Cako J./Glushko J. | Hozumi E./Kato M. | 2:0 (7:5, 6:3) | details | 20.04.2017 |
| 1/8-finals | Guo H./Tan S. | Hozumi E./Kato M. | 0:2 (63:7, 5:7) | details | 19.04.2017 |
 Taiwan: Taipei - Doubles - Main |
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| Quarter-finals | Hozumi E./Kato M. | Liu C./Zheng S. | 0:2 (2:6, 5:7) | details | 03.02.2017 |
| 1/8-finals | Hozumi E./Kato M. | Krejcikova B./Voskoboeva G. | 2:1 (3:6, 6:3, 10:8) | details | 31.01.2017 |
| Australia: Australian Open - Doubles - Main |
|---|
| Semi-finals | Hozumi E./Kato M. | Mattek-Sands B./Safarova L. | 1:2 (2:6, 6:4, 4:6) | details | 25.01.2017 |
| Quarter-finals | Lucic-Baroni M./Petkovic A. | Hozumi E./Kato M. | 0:2 (3:6, 3:6) | details | 24.01.2017 |
| 1/8-finals | Hozumi E./Kato M. | Mirza S./Strycova B. | 2:1 (6:3, 2:6, 6:2) | details | 22.01.2017 |
| USA: Honolulu - Doubles - Main |
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| Final | Hozumi E./Kato M. | Gibbs N./Muhammad A. | 2:1 (63:7, 6:3, 10:8) | details | 26.11.2016 |
| Semi-finals | Hozumi E./Kato M. | Cako J./Omae A. | 2:0 (6:3, 6:3) | details | 25.11.2016 |
| Quarter-finals | Hozumi E./Kato M. | Wen X./Zhang N. N. | 2:0 (6:0, 6:2) | details | 25.11.2016 |
| Taiwan: Taipei - Doubles - Main |
|---|
| 1/8-finals | Dzalamidze N./Kudermetova V. | Hozumi E./Kato M. | 2:0 (6:2, 6:4) | details | 15.11.2016 |
| Japan: Tokyo 2 - Doubles - Main |
|---|
| Semi-finals | Rae J./Smith A. | Hozumi E./Kato M. | 2:0 (6:1, 6:2) | details | 16.09.2016 |
| Quarter-finals | Hantuchova D./Riske-Amritraj A. | Hozumi E./Kato M. | 0:2 (0:6, 4:6) | details | 15.09.2016 |
| 1/8-finals | Hozumi E./Kato M. | Volodko K./Chuang C.-J. | 2:0 (6:2, 6:4) | details | 14.09.2016 |
| USA: US Open - Doubles - Main |
|---|
| 1/8-finals | Garcia C./Mladenovic K. | Hozumi E./Kato M. | 2:0 (6:2, 6:3) | details | 04.09.2016 |
