Dusan Lajovic defeated Karen Khachanov 6-3 6-2 in the Madrid Masters round of 64 on clay. The upset overturned the form book — Karen Khachanov came in ranked #27, defending last year's round of 64. Dusan Lajovic extended the head-to-head to 2–0.
Lajovic D. took it in straight sets.
Lajovic D. and Khachanov K. faced 6 of the same opponents in the last 12 months. Lajovic D. went 2–7 (22%) against them, Khachanov K. 2–6 (25%). Results against comparable opponents are close (1 : 2 better-results split).
Dusan Lajovic beat Karen Khachanov 6-3 6-2. Umpiry, "Dusan Lajovic vs Karen Khachanov — Madrid Masters Round of 64", https://umpiry.com/match/2018-05-07/khachanov-vs-lajovic-madrid-masters-r64?utm_source=cite (as of 7 May 2018).