Fernando Sierra defeated Thomas Orvald 3-6 6-4 7-6 in the Mexico 4 Masters 4 round of 16 on hard.
Sierra F. came through in three sets.
Fernando Sierra beat Thomas Orvald 3-6 6-4 7-6. Umpiry, "Fernando Sierra vs Thomas Orvald — Mexico 4 Masters 4 Round of 16", https://umpiry.com/match/1994-10-01/orvald-vs-sierra-mexico-4-masters-4-r16?utm_source=cite (as of 1 October 1994).