Griekspoor stuns top-seeded Zverev, avenges French Open heartbreak
- It was a cherished win for Griekspoor, who had lost five straight matches — including four last year — to the German
- American Marcos Giron joined Griekspoor in posting his first win over a top-five player, upsetting fourth seed Casper Ruud 7-6 (7/4), 3-6, 6-2