Senior Raoul Schwark won his opening-round singles match and senior Pierre Dumas and freshman Tobias Wernet each posted 1-1 records during day one at the Princeton Invitational Friday.

Schwark, the tournament’s top seed and college tennis’ No. 41st-ranked player, received an opening-round bye, then needed three sets to defeat Columbia’s Jonathan Wong 3-6, 6-4, 6-3 to reach Saturday’s semifinals.

Schwark will also combine with Wernet in doubles on Saturday.

Wernet was victorious in this first-round singles match, defeating Jeff Dawson of Yale 6-3, 6-4, but fell to Alex Vuckovic of Princeton in the quarterfinals 6-7 (5), 6-7 (7) as both sets went to tie-breakers.

Dumas also went 1-1 on the day, defeating Penn’s Alex Vasin 6-4, 6-4 before taking No. 2 seed Peter Capkovic of Princeton to three sets. Dumas won the first set 6-4 an appeared poised for an upset. But Capkovic rallied to take sets two (6-0) and three (2-6) to win the match.

The Gophers will continue play at the Princeton Invitational on Saturday.

Princeton Invitational Minnesota Singles Results
Round One
Raul Schwark (Minn.) Bye
Tobias Wernet (Minn.) def. Jeff Dawson (Yale) 6-3, 6-4
Pierre Dumas (Minn.) def. Alex Vasin (Penn.) 6-4, 6-4

Quarterfinals
(1) Raul Schwark (Minn.) def. Jonathan Wong (Columbia) 3-6, 6-4, 6-3
Alex Vuckovic (Princeton) def. Tobias Wernet (Minn.) 7-6 (5), 7-6 (7)
(2) Peter Capkovic (Princeton) def. Pierre Dumas (Minn.) 4-6, 6-0, 6-2