Upcoming Event: Women's Tennis at Kitty Harrison Invitational on September 12, 2025
Women's Tennis
at Kitty Harrison Invitational
Women's Tennis
Gruindelingh, Gerhard
Gerhard Gruindelingh
- Title:
- Assistant Coach
Gerhard Gruindelingh enters his third season as assistant coach with the Blue Devils, after a four-year stint as an assistant professional at the Innis Arden Golf Club in Old Greenwhich, Conn. He was responsible for developing and promoting tennis programs for all age groups, including the junior’s league and women’s team. Gruindelingh organized practices, clinics and private lessons at the club and provided feedback to athletes to improve their game.
Over his two seasons with the Blue Devils, Gruindelingh has helped lead Duke to a pair of NCAA Tournament appearances, including advancing to the quarterfinals in 2025. He helped lead Duke to the ACC regular season title in 2025 with a perfect 12-0 ledger. It marked the first ACC regular season crown since 2018.
In March of 2023, Gruindelingh was hired as an associate head coach at the USTA National Campus in Orlando, Fla., where he worked to plan, organize and implement high quality lessons, clinics, camps and other tennis programs. He also worked directly with the Director of Racquet Sports and other head professionals to identify areas of growth and options for increased revenue for the national training center.
A four-year letterwinner at the University of South Alabama, Gruindelingh compiled a 60-50 overall singles record during his tenure, including a 44-37 mark in dual matches. He was a two-time All-Sun Belt Conference honoree in doubles, earning second team honors with Manuel Belda in 2014 and first team accolades with fellow Duke assistant coach Daniel Leitner a year later. His partnership with Leitner resulted in a 12-3 mark at No. 1 and a 17-5 record overall. Gruindelingh went 4-4 at No. 1 with Belda and posted a 15-8 overall doubles record.
Gruindelingh graduated from South Alabama with his bachelor’s degree in business management in 2017, before going back to earn his master’s degree in health education in 2019.
Over his two seasons with the Blue Devils, Gruindelingh has helped lead Duke to a pair of NCAA Tournament appearances, including advancing to the quarterfinals in 2025. He helped lead Duke to the ACC regular season title in 2025 with a perfect 12-0 ledger. It marked the first ACC regular season crown since 2018.
In March of 2023, Gruindelingh was hired as an associate head coach at the USTA National Campus in Orlando, Fla., where he worked to plan, organize and implement high quality lessons, clinics, camps and other tennis programs. He also worked directly with the Director of Racquet Sports and other head professionals to identify areas of growth and options for increased revenue for the national training center.
A four-year letterwinner at the University of South Alabama, Gruindelingh compiled a 60-50 overall singles record during his tenure, including a 44-37 mark in dual matches. He was a two-time All-Sun Belt Conference honoree in doubles, earning second team honors with Manuel Belda in 2014 and first team accolades with fellow Duke assistant coach Daniel Leitner a year later. His partnership with Leitner resulted in a 12-3 mark at No. 1 and a 17-5 record overall. Gruindelingh went 4-4 at No. 1 with Belda and posted a 15-8 overall doubles record.
Gruindelingh graduated from South Alabama with his bachelor’s degree in business management in 2017, before going back to earn his master’s degree in health education in 2019.
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