Casper Ruud vs Alexander Blockx — QF — Madrid Open

World No. 69 Alexander Blockx flipped the form chart on Casper Ruud in their first career meeting, grinding the No. 15 down 6-4, 6-4. The number that carried the upset: Blockx won 28 of 33 first-serve points (85%) to Ruud's 60%, a 25-point gap that turned every Belgian service game into a near-guaranteed hold. He broke three times from seven chances and trimmed his errors to 16 against Ruud's 23 — same 19 winners apiece, but the cleaner ledger belonged to the underdog.