Mateo Cevallos

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Mateo joined the OSSA coaching staff in June of 2016. Mateo has grown up in the DC Metro area and has trained at several academies throughout his junior career. Some of his best achievements include: winning numerous Maryland State titles in both singles and doubles at Thomas S. Wootton High School, where he graduated in 2013; he competed in all major Super National and national tournaments in the United States, including the USTA Super National Clay Courts, USTA Super National Hard Courts in Kalamazoo, MI, ITF Eddie Herr Championship and the prestigious ITF Orange Bowl; Mateo also traveled overseas to compete internationally in South America (COSAT) to compete in ITF junior events.

Mateo was ranked in the Top 3 in the Mid-Atlantic junior ranks and achieved a Top 50 national ranking in the USTA. He later went on to attend Division I Longwood University with a tennis scholarship.

In January 2019, Mateo ascended to the role of 12s-14s Coordinator and he was responsible for helping our National Team and Championship Team with tournament schedules, practice schedules, and providing regular progress reports & feedback to the players and their families. His leadership and player development abilities have made him one of the best rising junior development coaches in the country.

Mateo travels exclusively with the OSSA National Team to such tournaments as Super National Clay Courts, Super National Hard Courts, National Indoors and L2 National Selection tournaments. Mateo has worked with Sachin Das (2022 NCAA National Champion at University of Chicago), Trey Stinchcomb (University of Tennessee), Ricky Bell (University of Richmond), Jordan Chrysostom (Virginia Tech), and Helen Sarikulaya (Elon University).

Mateo currently coaches Mid-Atlantic USTA #20 Sylvana Jalbert, USTA #23 Calla McGill, USTA #17 Arjun Prabhakar, USTA #50 Max Scholten, Drew Barr, Lauran Finn, and Matthew Finn. Mateo also coached Josh Robinson, a starter at Villanova, to a career-high #3 in B18s in 2019-20 and helped Robinson qualify for his first Super National tournaments in his career in back-to-back years in B18s. Robinson had 2 wins over Top 20 nationally-ranked players in his final year in juniors under Coach Mateo's tutelage and he's been Mid-Atlantic's most improved player rising from #133 to #3 in the rankings in one year. One of Mateo's former students, Zhora Chetverukhin, also one of the biggest Mid-Atlantic movers in the ranks since 2018, ascended from outside the Top 60 to a Top 10 ranking under Mateo's guidance from 2017-2020. Zhora competed in his first ever Super National Clay Courts and Super National Hard Courts in 2019. Coach Mateo has successfully helped guide 3 players from outside the Top 100 in the Mid-Atlantic rankings to their first-ever Super National level appearances in his first year of working with them.

In September of 2022, Mateo was named Director of High Performance.

"Mateo is a player and coach that we've been watching for a number of years. He's fresh into coaching at the high performance level and his energy is one of the first things we noticed in him when we watched him work with junior players. Mateo didn't receive much private instruction growing up which is something I admire because he's had to teach himself a lot of the mental fundamentals necessary to be successful at the local and national levels-- it was an old school upbringing which fits OSSA perfectly. We are extremely happy he joined the OSSA coaching staff and his future as a coach is as bright as any prospect we've had around the players and academy." 

--Vince Pulupa