Alexander Zverev defeated Leonardo Mayer 6-4 6-2 in the Madrid Masters round of 16 on clay. The result followed the form book — Alexander Zverev came in defending last year's quarter-final.
Zverev A. took it in straight sets.
Zverev A. and Mayer L. faced 9 of the same opponents in the last 12 months. Zverev A. went 9–6 (60%) against them, Mayer L. 2–8 (20%). Zverev A. came out better against 5 of 9 comparable opponents, Mayer L. against 0.
Alexander Zverev beat Leonardo Mayer 6-4 6-2. Umpiry, "Alexander Zverev vs Leonardo Mayer — Madrid Masters Round of 16", https://umpiry.com/match/2018-05-07/mayer-vs-zverev-madrid-masters-r16?utm_source=cite (as of 7 May 2018).