Giorgio Galimberti defeated Laurence Tieleman 6-3 6-1 in the Roland Garros qualifying round of 64 on clay. The upset overturned the form book — Laurence Tieleman came in defending last year's round of 128.
Galimberti G. took it in straight sets.
Giorgio Galimberti beat Laurence Tieleman 6-3 6-1. Umpiry, "Giorgio Galimberti vs Laurence Tieleman — Roland Garros Qualifying Round of 64", https://umpiry.com/match/2000-05-29/galimberti-vs-tieleman-roland-garros-q64?utm_source=cite (as of 29 May 2000).