2025-26 Men's Tennis Roster
Roster
Quirijns, Kaj

Kaj Quirijns
- Class:
- Junior
- Weight:
- null
- Hometown:
- Unteraegeri, Switzerland
- High School:
- Laurel Springs School
Bio
CAREER ACCOLADES
Outdoor: Saw action in doubles in five matches, including three in conference play ... Played the 1-line in consecutive duals at BYU and Utah with Cooper Woestendick ... Secured his first ranked victory via a 6-4 triumph over No. 44 Zach Fuchs and Wally Thayne of BYU ... Also clinched a 6-2 decision alongside Woestendick vs. Elijah Cham and Michael Chan of South Florida ... Helped the Horned Frogs to a 6-1 takedown of the 42nd-ranked Bulls ... Signed off on his sophomore season with a 23-11 combined record, highlighted by a 15-7 mark in doubles play.
Indoor: Clinched the doubles point in both of his starts vs. Abilene Christian and Pacific ... Formed a partnership with Roger Pascual vs. the Wildcats ... Teammed up on a 6-3 takedown of Ethan Scribner and Alejandro Verdasco on court three ... Secured a 6-4 win alongside Pedro Vives at the 2-line vs. Tiago Silva and Terrance Das of Pacific in the opening round of ITA Kickoff Weekend ... Won his first dual singles match in TCU's season-opener vs. ACU ... Picked up a 6-2, 6-0 victory vs. Scribner on court six.
Fall: Tallied the second-most doubles victories of any Horned Frog behind an 11-4 record ... Went a combined 6-0 at the U.S. College Cup Invitational ... Led all players in the four-team hidden dual in wins and was the only player to finish unbeaten ... Produced a 5-1 combined record at the Ralston/Neufeld Coaches Challenge, highlighted by a perfect 3-0 doubles mark ... Won all three doubles matches in tandem with Filip Apltauer ... Reached the ITA Central Sectional Championships doubles consolation final alongside Duncan Chan ... Played singles and doubles at both the ITA Texas Regional and Waco Fall Kickoff Classic ... Capped the fall with a 17-9 combined overall record.
Freshman (2023-24)
Big 12 No. 3 Doubles Individual Season Champion
Outdoor: Competed to a 6-4 outdoor doubles record with all of his matches coming on court three ... Crowned Big 12 No. 3 Doubles Individual Season Champion alongside Tomas Jirousek ... Went 5-1 in league play ... Led TCU with four doubles point clinchers in Big 12 affairs ... Clinched consecutive doubles points in a home sweep of BYU and Texas Tech on April 4-6 ... Statked TCU to a 1-0 lead in its Big 12 Championship semifinal win over No. 9 Oklahoma ... Took down Hank Trondson and Asahi Harazaki, 6-4, in tandem with Jack Pinnington.
Indoor: Clinched the doubles point alongside Pedro Vives in TCU's season-opening victory against Abilene Christian on Jan. 24 ... Defeated Benjamin McDonald and Ethan Scribner, 6-4, on court two.
Fall: Earned his first wins in purple and while in doubles at the US College Cup ... Entered the collegiate win column behind a 6-4 takedown of Abilene Christian's Dario Kmet and Cesar Barranquero ... Also defeated Justin Braverman and Christopher Frantzen of Baylor via a 6-3 margin ... Played alongside fellow freshman Duncan Chan in both matches ... Earned two singles wins in the qualifying draw of the ITA Texas Regional, defeating Eduardo Morais of Rice, 2-6, 6-4, 6-4 and taking down Tomas Reche of UIW, 3-6, 6-4, 7-6 [7-5].
High School/Juniors
Was ranked as high as No. 277 in the ITF junior rankings ... Held a Universal Tennis Rating of 11.54 before beginning his college career ... Competed in the Australian Open Junior Championships ... Qualified for the main singles draw of JA Merida ... Bagged singles titles at the J4 Santo Domingo and J4 Latvia ... Upended ITF junior top-10 player Edas Butvilas in 2020 ... Also notched victories over the top-two players in his age group – Mika Brunold and Raffaeli Mariani – in a private tournament held at the Swiss Tennis National Center that same year.
Personal
Originally from Unteraegeri, Switzerland ... Possesses citizenship of the United States ... Obtained his high school diploma from Laurel Springs School in 2023 ... Son of Cees and Carina Quirijns ... Has a sister, Alysia ... Father is Dutch and ... Mother is from the Philippines and moved to the United States at age-eight ... Speaks four languages ... Was the youngest athlete to join the Unteraegeri Performance Ski Race team ... Decided he wanted to become a professional tennis player shortly thereafter ... Moved to the United States when he was 12 years old ... Trained at tennis academies across the country for three years ... Was based mostly in Europe throughout high school ... Centered his training in Slovenia in 2022 ... Intends to major in business information systems at TCU ... Born Nov. 19.
Career Statistics
SINGLES
DOUBLES
- Big 12 No. 3 Doubles Individual Season Champion
Outdoor: Saw action in doubles in five matches, including three in conference play ... Played the 1-line in consecutive duals at BYU and Utah with Cooper Woestendick ... Secured his first ranked victory via a 6-4 triumph over No. 44 Zach Fuchs and Wally Thayne of BYU ... Also clinched a 6-2 decision alongside Woestendick vs. Elijah Cham and Michael Chan of South Florida ... Helped the Horned Frogs to a 6-1 takedown of the 42nd-ranked Bulls ... Signed off on his sophomore season with a 23-11 combined record, highlighted by a 15-7 mark in doubles play.
Indoor: Clinched the doubles point in both of his starts vs. Abilene Christian and Pacific ... Formed a partnership with Roger Pascual vs. the Wildcats ... Teammed up on a 6-3 takedown of Ethan Scribner and Alejandro Verdasco on court three ... Secured a 6-4 win alongside Pedro Vives at the 2-line vs. Tiago Silva and Terrance Das of Pacific in the opening round of ITA Kickoff Weekend ... Won his first dual singles match in TCU's season-opener vs. ACU ... Picked up a 6-2, 6-0 victory vs. Scribner on court six.
Fall: Tallied the second-most doubles victories of any Horned Frog behind an 11-4 record ... Went a combined 6-0 at the U.S. College Cup Invitational ... Led all players in the four-team hidden dual in wins and was the only player to finish unbeaten ... Produced a 5-1 combined record at the Ralston/Neufeld Coaches Challenge, highlighted by a perfect 3-0 doubles mark ... Won all three doubles matches in tandem with Filip Apltauer ... Reached the ITA Central Sectional Championships doubles consolation final alongside Duncan Chan ... Played singles and doubles at both the ITA Texas Regional and Waco Fall Kickoff Classic ... Capped the fall with a 17-9 combined overall record.
Freshman (2023-24)
Big 12 No. 3 Doubles Individual Season Champion
Outdoor: Competed to a 6-4 outdoor doubles record with all of his matches coming on court three ... Crowned Big 12 No. 3 Doubles Individual Season Champion alongside Tomas Jirousek ... Went 5-1 in league play ... Led TCU with four doubles point clinchers in Big 12 affairs ... Clinched consecutive doubles points in a home sweep of BYU and Texas Tech on April 4-6 ... Statked TCU to a 1-0 lead in its Big 12 Championship semifinal win over No. 9 Oklahoma ... Took down Hank Trondson and Asahi Harazaki, 6-4, in tandem with Jack Pinnington.
Indoor: Clinched the doubles point alongside Pedro Vives in TCU's season-opening victory against Abilene Christian on Jan. 24 ... Defeated Benjamin McDonald and Ethan Scribner, 6-4, on court two.
Fall: Earned his first wins in purple and while in doubles at the US College Cup ... Entered the collegiate win column behind a 6-4 takedown of Abilene Christian's Dario Kmet and Cesar Barranquero ... Also defeated Justin Braverman and Christopher Frantzen of Baylor via a 6-3 margin ... Played alongside fellow freshman Duncan Chan in both matches ... Earned two singles wins in the qualifying draw of the ITA Texas Regional, defeating Eduardo Morais of Rice, 2-6, 6-4, 6-4 and taking down Tomas Reche of UIW, 3-6, 6-4, 7-6 [7-5].
High School/Juniors
Was ranked as high as No. 277 in the ITF junior rankings ... Held a Universal Tennis Rating of 11.54 before beginning his college career ... Competed in the Australian Open Junior Championships ... Qualified for the main singles draw of JA Merida ... Bagged singles titles at the J4 Santo Domingo and J4 Latvia ... Upended ITF junior top-10 player Edas Butvilas in 2020 ... Also notched victories over the top-two players in his age group – Mika Brunold and Raffaeli Mariani – in a private tournament held at the Swiss Tennis National Center that same year.
Personal
Originally from Unteraegeri, Switzerland ... Possesses citizenship of the United States ... Obtained his high school diploma from Laurel Springs School in 2023 ... Son of Cees and Carina Quirijns ... Has a sister, Alysia ... Father is Dutch and ... Mother is from the Philippines and moved to the United States at age-eight ... Speaks four languages ... Was the youngest athlete to join the Unteraegeri Performance Ski Race team ... Decided he wanted to become a professional tennis player shortly thereafter ... Moved to the United States when he was 12 years old ... Trained at tennis academies across the country for three years ... Was based mostly in Europe throughout high school ... Centered his training in Slovenia in 2022 ... Intends to major in business information systems at TCU ... Born Nov. 19.
Career Statistics
SINGLES
Season
|
Overall | Tourn. | Dual | Conf. | vs. Nat'l | #1 | #2 | #3 | #4 | #5 | #6 |
2023-24 | 4-4 | 4-4 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
2024-25 | 8-4 | 7-4 | 1-0 | -- | -- | -- | -- | -- | -- | -- | 1-0 |
Career | 12-8 | 11-8 | 1-0 | -- | -- | -- | -- | -- | -- | -- | 1-0 |
DOUBLES
Season
|
Overall | Tourn. | Dual | Conf. | vs. Nat'l | #1 | #2 | #3 |
2023-24 | 10-8 | 3-4 | 7-4 | 5-1 | -- | -- | 1-0 | 6-4 |
2024-25 | 15-7 | 11-4 | 4-2 | 1-2 | 1-0 | 1-1 | 1-1 | 2-0 |
Career | 25-15 | 14-8 | 11-6 | 6-3 | 1-0 | 1-1 | 2-1 | 8-4 |
The Roditi Rule
Friday, March 07
#TCU National Champions Day in DC #gofrogs
Wednesday, July 24
Jake Fearnley Talking about his time with TCU Men's Tennis
Tuesday, June 25
TCU Wins NCAA D1 Men's Tennis Championship
Saturday, May 25