France: French Open - Doubles - Main |
| 1/32-finals | Krajicek A./Sitak A. | Hsieh C./Rungkat C. | 0:2 (3:6, 4:6) | details | 28.05.2019 |
Switzerland: Geneva - Doubles - Main |
| 1/8-finals | Ebden M./Lindstedt R. | Krajicek A./Sitak A. | 2:0 (6:3, 7:69) | details | 19.05.2019 |
Italy: Rome - Doubles - Main |
| 1/8-finals | Cabal J. S./Farah R. | Krajicek A./Sitak A. | 2:0 (6:3, 6:2) | details | 16.05.2019 |
| 1/16-finals | Krajicek A./Sitak A. | Coric B./Dimitrov G. | 2:0 (7:5, 6:2) | details | 13.05.2019 |
Spain: Madrid - Doubles - Main |
| 1/16-finals | Krajicek A./Sitak A. | Carballes Baena R./Munar J. | 0:2 (4:6, 4:6) | details | 08.05.2019 |
Germany: Munich - Doubles - Main |
| Quarter-finals | Nielsen F./Puetz T. | Krajicek A./Sitak A. | 2:0 (6:2, 6:4) | details | 02.05.2019 |
| 1/8-finals | Maden Y./Marterer M. | Krajicek A./Sitak A. | 1:2 (7:64, 1:6, 6:10) | details | 29.04.2019 |
Spain: Barcelona - Doubles - Qualification |
| Semi-finals | Paes L./Paire B. | Krajicek A./Sitak A. | 2:1 (4:6, 6:4, 10:7) | details | 20.04.2019 |
USA: Houston - Doubles - Main |
| Semi-finals | Skupski K./Skupski N. | Krajicek A./Sitak A. | 2:0 (6:1, 6:4) | details | 12.04.2019 |
| Quarter-finals | Harrison R./McDonald M. | Krajicek A./Sitak A. | 0:2 (0:6, 5:7) | details | 11.04.2019 |
| 1/8-finals | Hewitt L./Thompson J. | Krajicek A./Sitak A. | 1:2 (2:6, 6:4, 8:10) | details | 09.04.2019 |
USA: Miami - Doubles - Main |
| 1/16-finals | Bopanna R./Shapovalov D. | Krajicek A./Sitak A. | 2:1 (7:5, 2:6, 10:6) | details | 23.03.2019 |
USA: Phoenix - Doubles - Main |
| Final | Murray J./Skupski N. | Krajicek A./Sitak A. | 2:1 (62:7, 7:5, 10:6) | details | 17.03.2019 |
| Semi-finals | Cerretani J./Monroe N. | Krajicek A./Sitak A. | 1:2 (6:4, 4:6, 7:10) | details | 16.03.2019 |
| Quarter-finals | Andreozzi G./Jarry N. | Krajicek A./Sitak A. | WO. | details | 16.03.2019 |
| 1/8-finals | Istomin D./Rosol L. | Krajicek A./Sitak A. | CAN. | details | 14.03.2019 |
Mexico: Acapulco - Doubles - Main |
| Final | Krajicek A./Sitak A. | Zverev A./Zverev M. | 1:2 (6:2, 64:7, 5:10) | details | 03.03.2019 |
| Semi-finals | Granollers M./Mektic N. | Krajicek A./Sitak A. | 1:2 (3:6, 6:3, 11:13) | details | 02.03.2019 |
| Quarter-finals | Cabal J. S./Farah R. | Krajicek A./Sitak A. | 0:2 (65:7, 4:6) | details | 01.03.2019 |
| 1/8-finals | Krajicek A./Sitak A. | Gojowczyk P./Krawietz K. | 2:0 (6:2, 6:2) | details | 28.02.2019 |
Netherlands: Rotterdam - Doubles - Qualification |
| Final | Krajicek A./Sitak A. | Arends S./Pel D. | 0:2 (65:7, 3:6) | details | 25.02.2019 |
| Semi-finals | Krajicek A./Sitak A. | Martin F./Simon G. | 2:1 (6:3, 5:7, 10:8) | details | 24.02.2019 |
Brazil: Rio de Janeiro - Doubles - Main |
| 1/8-finals | Krajicek A./Sitak A. | Mektic N./Zeballos H. | 0:2 (61:7, 1:6) | details | 20.02.2019 |
Netherlands: Rotterdam - Doubles - Main |
| 1/8-finals | Kohlschreiber P./Verdasco F. | Krajicek A./Sitak A. | 2:1 (7:5, 3:6, 10:7) | details | 11.02.2019 |
France: Montpellier - Doubles - Main |
| 1/8-finals | Bambridge L./O'Mara J. | Krajicek A./Sitak A. | 2:0 (6:4, 6:2) | details | 04.02.2019 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Harrison R./Querrey S. | Krajicek A./Sitak A. | 2:0 (6:4, 7:65) | details | 18.01.2019 |
| 1/32-finals | Krajicek A./Sitak A. | Paes L./Reyes-Varela M. A. | 2:0 (7:5, 7:64) | details | 16.01.2019 |
New Zealand: Auckland - Doubles - Main |
| Quarter-finals | Krajicek A./Sitak A. | Bryan B./Bryan M. | 1:2 (66:7, 6:2, 2:10) | details | 10.01.2019 |
| 1/8-finals | Krajicek A./Sitak A. | Rai A./Stoupe G. | 2:0 (6:3, 6:2) | details | 07.01.2019 |
Australia: Brisbane - Doubles - Main |
| Quarter-finals | Ram R./Salisbury J. | Krajicek A./Sitak A. | 2:1 (6:2, 4:6, 10:8) | details | 03.01.2019 |
| 1/8-finals | Krajicek A./Sitak A. | Fritz T./Kyrgios N. | 2:0 (7:5, 7:64) | details | 31.12.2018 |