 USA: M15 Boca Raton, FL - Doubles - Main |
|---|
| Semi-finals | Pavlekovich Smith T./Sciglitano L. | Katz M./Prat A. | 2:1 (63:7, 6:4, 10:8) | details | 18.11.2023 |
| Quarter-finals | Jachuck R./Milavsky D. | Katz M./Prat A. | WO. | details | 18.11.2023 |
| 1/8-finals | Katz M./Prat A. | Anderson M./Phillips J. | 2:0 (6:2, 7:5) | details | 16.11.2023 |
 Tunisia: M15 Monastir 43 - Doubles - Main |
|---|
| Semi-finals | Bailly P. Y./Katz M. | Jans J./Khoeblal E. | 0:2 (4:6, 0:6) | details | 12.11.2021 |
| Quarter-finals | Rai A./Ricca G. | Bailly P. Y./Katz M. | WO. | details | 11.11.2021 |
| 1/8-finals | Bailly P. Y./Katz M. | Siddiqui A./Stone Z. | 2:0 (6:2, 7:5) | details | 10.11.2021 |
| Tunisia: M15 Monastir 42 - Doubles - Main |
|---|
| Final | Martinez M./Rai A. | Bailly P. Y./Katz M. | 2:1 (3:6, 7:65, 10:8) | details | 06.11.2021 |
| Semi-finals | Delage P./Tabur C. | Bailly P. Y./Katz M. | 0:2 (3:6, 4:6) | details | 05.11.2021 |
| Quarter-finals | Bailly P. Y./Katz M. | Bertola R./Giacalone O. | WO. | details | 04.11.2021 |
| 1/8-finals | Merino Marcenaro T./Utreras Santander B. A. | Bailly P. Y./Katz M. | 0:2 (3:6, 1:6) | details | 02.11.2021 |
| Tunisia: M15 Monastir 38 - Doubles - Main |
|---|
| 1/8-finals | Collignon R./Katz M. | Bertrand R./Oueslati M. A. | 1:2 (6:3, 1:6, 5:10) | details | 06.10.2021 |
 Belgium: M25 Eupen - Doubles - Main |
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| Quarter-finals | Galarza J. I./Kestelboim M. | Cloes L./Katz M. | 2:0 (6:2, 6:3) | details | 09.09.2021 |
| 1/8-finals | Melzer L./Wolfschmidt A. | Cloes L./Katz M. | 0:2 (3:6, 2:6) | details | 07.09.2021 |
| Belgium: M15 Huy - Doubles - Main |
|---|
| Quarter-finals | Beaupain S./Katz M. | Binding J./Whitehouse M. | 0:1 RET. (3:6, 0:1) | details | 26.08.2021 |
| 1/8-finals | Beaupain S./Katz M. | Araujo P./Ingarao A. | WO. | details | 25.08.2021 |
| Belgium: M25 Koksijde - Doubles - Main |
|---|
| 1/8-finals | Collignon R./Katz M. | Clavel T./Elamin A. | 0:2 (3:6, 5:7) | details | 16.08.2021 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/16-finals | Butvilas E./Manzanera Pertusa A. | Katz M./Petr V. | 2:0 (6:3, 6:4) | details | 07.07.2021 |
 France: French Open - Doubles - Main |
|---|
| Final | Fils A./Mpetshi Perricard G. | Katz M./Samofalov G. | 2:0 (7:5, 6:2) | details | 12.06.2021 |
| Semi-finals | Lilov V./Privara P. B. | Katz M./Samofalov G. | 0:2 (4:6, 66:7) | details | 11.06.2021 |
| Quarter-finals | Katz M./Samofalov G. | Kasnikowski M./Orlikowski A. | 2:1 (66:7, 6:4, 10:7) | details | 10.06.2021 |
| 1/8-finals | Guillen Meza A./Kudriashov I. | Katz M./Samofalov G. | 0:2 (4:6, 3:6) | details | 09.06.2021 |
| 1/16-finals | Katz M./Samofalov G. | Lipp M./Rehberg M. H. | 2:0 (7:66, 6:4) | details | 08.06.2021 |
