Robin Haase defeated Hyeon Chung 6-2 6-0 in the Madrid Masters round of 64 on clay. The result followed the form book — Robin Haase came in defending last year's round of 32.
Haase R. took it in straight sets.
Haase R. and Chung H. faced 7 of the same opponents in the last 12 months. Haase R. went 1–10 (9%) against them, Chung H. 3–5 (38%). Results against comparable opponents are close (0 : 0 better-results split).
Robin Haase beat Hyeon Chung 6-2 6-0. Umpiry, "Robin Haase vs Hyeon Chung — Madrid Masters Round of 64", https://umpiry.com/match/2018-05-07/chung-vs-haase-madrid-masters-r64?utm_source=cite (as of 7 May 2018).