2025-26 Men's Tennis Roster
Biography
CAREER HIGHLIGHTS
- 2025 ITA All-American Championships Doubles Title Winner (w/ Oliver Tarvet)
- 2025 ITA All-American (Doubles)
- Spring 2024 NCAA Doubles Championship Qualifier (Rd. 16 w/ Oliver Tarvet)
- Fall 2024 NCAA Doubles Championship Qualifier (Rd. 32 w/ Sacchitt Sharrma)
- 2025 First Team All-WCC (Singles)
- 2025 First Team All-WCC (Doubles)
- 2024 First Team All-WCC (Doubles)
- 2024 Second Team All-WCC (Singles)
- 2025 WCC All-Academic Team
- 2024 WCC All-Academic Honorable Mention
- 2023 All-WCC Honorable Mention (Singles)
- 2023 All-WCC Honorable Mention (Doubles)
- WCC Singles Player of the Week - March 12, '24
- WCC Doubles Team of the Week - Jan. 24, '23; March 5, '24; March 12, '24; Jan. 28, ‘25; April 15, ‘25
REDSHIRT JUNIOR (2024-25)
- Earned All-American honors after winning the ITA All-American Championships doubles title with Oliver Tarvet on Sept. 29
- Competed in his second NCAA Individual Championships, making it to the second round with Tarvet on Nov. 20 as the tournament's No. 1 overall seed
- Set the USD program record for single-season doubles wins with a 32-8 record, four more than the next best mark
- After reaching a season-best ITA ranking of No. 1 nationally and spending the vast majority of the season in the top three, Klaassen and Tarvet finished the season ranked No. 13 in the ITA's doubles rankings, the best year-end ranking in program history
- Was a First Team All-WCC selection in both singles and doubles, also meriting a WCC All-Academic Team pick
- Went 24-11 in singles on the year, 18-4 in dual match play, 14-1 at the No. 3 position, a streak of 15 straight wins going into the NCAA Tournament Second Round
- Was 3-0 against nationally ranked opponents during the dual season (wins over No. 82, 92, 51), reaching a high of No. 71 himself in the ITA singles rankings
- Secured the clinch of the 4-3 win on the road over No. 20 UCLA on Jan. 20 with a 6-4, 5-7, 6-4 win on court four
REDSHIRT SOPHOMORE (2023-24)
- Went 22-3 in overall singles competition on the season; a perfect 19-0 in dual match play, 16 of which were won in straight sets
- Was 27-7 in doubles action, with a 16-match undefeated streak from Feb. 23 to April 26
- Reached a season-high ITA ranking of No. 15 with Sacchitt Sharrma, qualifying for the NCAA Doubles Championships
- Defeated a top-25 duo from South Florida on a tiebreak to open the season
REDSHIRT FRESHMAN (2022-23)
- Went 18-8 in singles play, including 2-1 against nationally ranked players
- Went 15-9 in doubles play, in addition to a perfect 6-0 in WCC play
- Also won a doubles match during the WCC Tournament semifinals to secure a point in a 4-1 win against Portland.
- Against UCSB in the NCAA Tournament First Round, Klaassen won both his doubles match with Oliver Tarvet and his singles match in the third set.
FRESHMAN (2021-22)
PERSONAL
- Son of Frans and Kristine Klaassen
- Was the U16 Dutch National Champion in Singles and Doubles
- Achieved a career-high ITF Junior ranking of No. 179
- Mother, Kristine, played DI college basketball at DePaul
- Enjoys going bowling and to the beach with friends
- Favorite musical artist is Drake
- Is half Dutch and half Norwegian
Statistics
Season Statistics
No statistics available for this season.
There are no statistics available for this player.
Historical Player Information
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2022-23Redshirt Freshman
6'2"
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2023-24Redshirt Sophomore
6'2"
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2024-25Redshirt Junior
6'2"
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2025-26Graduate Student
6'2"