Jan-Lennard Struff’s run at the Mutua Madrid Open appeared to be short-lived when he lost in the final round of qualifying last Tuesday. Nine days later, he is into his first ATP Masters 1000 semi-final. The lucky loser upset fourth seed Stefanos Tsitsipas 7-6(5), 5-7, 6-3 to reach the last four at the Caja Magica. The German will next face Aslan Karatsev, who ousted him in qualifying.
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