Russia: St. Petersburg - Doubles - Main |
| Final | Aoyama S./Shibahara E. | Christian K./Guarachi A. | 2:1 (4:6, 6:0, 10:3) | details | 16.02.2020 |
| Semi-finals | Christian K./Guarachi A. | Garcia C./Konta J. | 2:0 (6:4, 7:5) | details | 15.02.2020 |
| Quarter-finals | Kudryavtseva A./Srebotnik K. | Christian K./Guarachi A. | 0:2 (3:6, 5:7) | details | 13.02.2020 |
| 1/8-finals | Mishina D./Shalimova E. | Christian K./Guarachi A. | 0:2 (2:6, 2:6) | details | 12.02.2020 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Chan H-C./Chan L. | Christian K./Guarachi A. | 2:0 (6:4, 6:2) | details | 24.01.2020 |
| 1/32-finals | Alexandrova E./Bara I. | Christian K./Guarachi A. | 0:2 (1:6, 2:6) | details | 23.01.2020 |
Australia: Adelaide - Doubles - Main |
| Quarter-finals | Melichar-Martinez N./Xu Y. | Christian K./Guarachi A. | 2:0 (6:2, 7:69) | details | 15.01.2020 |
| 1/8-finals | Adamczak M./Srebotnik K. | Christian K./Guarachi A. | 1:2 (6:4, 0:6, 5:10) | details | 14.01.2020 |
New Zealand: Auckland - Doubles - Main |
| 1/8-finals | Muhammad A./Townsend T. | Christian K./Guarachi A. | 2:0 (6:2, 7:64) | details | 07.01.2020 |
Luxembourg: Luxembourg - Doubles - Main |
| Final | Gauff C./McNally C. | Christian K./Guarachi A. | 2:0 (6:2, 6:2) | details | 19.10.2019 |
| Semi-finals | Carter H./Stefani L. | Christian K./Guarachi A. | 1:2 (4:6, 6:3, 9:11) | details | 18.10.2019 |
| Quarter-finals | Knoll X./Minella M. | Christian K./Guarachi A. | 0:2 (2:6, 66:7) | details | 17.10.2019 |
| 1/8-finals | Mandlik E./Volynets K. | Christian K./Guarachi A. | 0:2 (1:6, 4:6) | details | 14.10.2019 |
Austria: Linz - Doubles - Main |
| 1/8-finals | Christian K./Guarachi A. | Gauff C./McNally C. | 0:2 (2:6, 3:6) | details | 09.10.2019 |
Australia: Hobart - Doubles - Main |
| 1/8-finals | Christian K./Guarachi A. | Begu I./Buzarnescu M. | 1:2 (6:1, 3:6, 8:10) | details | 08.01.2019 |
Hong Kong: Hong Kong - Doubles - Main |
| 1/8-finals | Hozumi E./Kato M. | Christian K./Guarachi A. | 2:1 (6:1, 4:6, 10:6) | details | 10.10.2017 |