Arizona 2003-2004: Completed junior season at Arizona with a 21-11 overall record... Competed in three national fall tournaments, the ITA All-American, Omni Hotel Region VIII South Fall Championships and the Texas A&M Invitational... Earned a 4-4 record in his fall appearances... At the ITA All-American, produced three wins, before falling in the fourth round of pre-qualifying... In doubles competition, with partner Daniel Andrus, earned a 3-2 record... In the spring, competed mainly in the No. 5 and 6 positions, posting an overall record of 17-7 in the spring ... Posted nine Pac-10 wins in addition to ending the season winning 10 of his last 11 matches... In doubles competition, competed mainly in the No. 1 and No. 2 positions... Started the spring paired with Andrus in the No. 1 and 2 positions earning a 12-8 record... With partner Tim Mullane, posted a record of 1-2, and with Tom Lloyd, finished the season with a record of 1-1.
Arizona 2002-2003: Completed sophomore season at Arizona with an 11-15 overall record... Competed in three national fall tournaments, the ITA All-American, Napa Valley Classic and the Midland Collegiate Classic... Earned a 4-3 record in his fall appearances... At the ITA All-American, garnered two wins, including a victory over David O’Conner of Indiana State in the second round, 6-3, 6-2... In doubles competition, with partner Daniel Andrus, earned a 2-0 record... In the spring, competed mainly in the No. 3 position, but also saw time on courts two and four as well... In the No. 3 position, finished with a 3-10 record in the spring... Defeated Chris Stewart of Arizona State, 1-6, 6-4, 6-1, aiding the team to a 5-2 win over the Sun Devils... In doubles competition, competed mainly in the No. 1 and No. 2 positions... Started the spring paired with Carl Hagman in the No. 1 position and earned a 2-8 record... With partner Whi Kim, finished with a record of 2-7.
Ohio State 2001-2002: Played for the Ohio State Buckeyes and head coach Ty Tucker... Finished the season 27-8 overall and 20-8 in doubles play... His 27 wins placed 16th on OSU’s singles win list... Earned a No. 42 ranking with doubles partner Adrian Bohane, the highest ranking for a freshman... Against ranked opponents, the pair was 2-3, notching a win against the No. 4-ranked team from Illinois and the No. 6-ranked team from Georgia... OSU set several records, including highest ranking at No. 12, longest winning streak at 17 and the university’s first undefeated home record.
High School:Was a four-year starter and letterwinner for the Royals of San Marcos High School in Santa Barbara, Calif.... Named team’s Most Valuable Player for four years... Three-time team captain... Holds the school’s records for most wins in a season (58) and most wins in a career (186)... Won the 13th Annual JP Yamasaki Memorial Junior Tournament title as the No. 8 seed in 1998... Ranked third in the country in doubles.
Personal:Born May 12, 1982... Son of John and Marjolein Warkentin and has an older sister, Kara, and an older brother, Mark... Kara is the No. 1 singles player for USC... Mark, a swimmer, has collected five Goodwill Games gold medals... Aspires to be a poet and a philosopher... Enjoys music, putt-putt golf, bumper pool and surfing... Academic major is communication.