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2018 finalists survive thriller
The fifth seeds defeated Ben McLachlan and Jan-Lennard Struff 5-7, 7-6(4), 11-9 after finding themselves one point from defeat on deuce deciding point at 4-5 in the second set. Marach and Pavic saved five of seven break points to set a second-round meeting with Maximo Gonzalez and Horacio Zeballos. The Argentine duo beat Italians Marco Cecchinato and Andreas Seppi 6-3, 6-4.
Jamie Murray and Bruno Soares also came from the brink of defeat to reach the second round. The third seeds saved three match points in a thrilling 24-point Match Tie-break to beat Rohan Bopanna and Dominic Inglot 4-6, 6-3, 13-11.