Jan Lennard Struff defeated Marin Cilic 3-6 6-4 7-6 in the Tokyo round of 32 on hard. The upset overturned the form book — Marin Cilic came in leading the head-to-head 1–0, defending last year's semi-final, but Jan Lennard Struff had been the form player, winning 2 of their last 4 on hard. Jan Lennard Struff claimed a first win over Marin Cilic in two meetings, levelling the head-to-head at 1–1.
Struff J. came through in three sets.
Struff J. and Cilic M. faced 12 of the same opponents in the last 12 months. Struff J. went 4–10 (29%) against them, Cilic M. 12–5 (71%). Cilic M. came out better against 5 of 11 comparable opponents, Struff J. against 1.
Jan Lennard Struff beat Marin Cilic 3-6 6-4 7-6. Umpiry, "Jan Lennard Struff vs Marin Cilic — Tokyo Round of 32", https://umpiry.com/match/2018-10-01/cilic-vs-struff-tokyo-r32?utm_source=cite (as of 1 October 2018).