John Van Lottum defeated Yong Il Yoon 6-4 6-1 in the Roland Garros qualifying round of 64 on clay. The result followed the form book — John Van Lottum came in defending last year's round of 128.
Van Lottum J. took it in straight sets.
Van Lottum J. and Yoon Y. faced 1 of the same opponent in the last 12 months. Van Lottum J. went 0–1 (0%) against them, Yoon Y. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
John Van Lottum beat Yong Il Yoon 6-4 6-1. Umpiry, "John Van Lottum vs Yong Il Yoon — Roland Garros Qualifying Round of 64", https://umpiry.com/match/2001-05-28/lottum-vs-yoon-roland-garros-q64?utm_source=cite (as of 28 May 2001).