2019: Played in 43 matches, 22 singles and 21 doubles as he recorded 19 victories ... Won nine singles matches, four against conference opponents ... Went 2-0 when playing on court three ... Won four matches in league play ... Picked up 10 doubles wins with two different partners ... Went 4-2 in doubles play in Big South action.
2018: Seventh in the league at #4 singles with a 9-9 mark, second in conference play with four wins ... Along with teammate Alejandro Bejar, ranked fifth in doubles play at #2 with their seven wins, and eighth overall in conference play ... He and teammate Daniel Stenger were seventh in the conference at #2 as well ... Won three in a row early in the season at singles, ended the year on a two-match winning streak at doubles, which included a 7-5 decision against Gardner-Webb in the Big South Tournament with teammate Alejandro Bejar ... Fourth on the team in wins with nine in singles play.
2017: Second team All-Big South in both singles and doubles with Diego Manzanas ... One of two PC players to be named All-Big South in both singles and doubles in the same season, joined by teammate Ben Kelley, and the first freshman to do so...First PC freshman to be named All-Big South in singles ... Key player in PC's run to its second Big South Regular Season title, first Big South Tournament title and first NCAA Tournament appearance ... Compiled a 12-5 record in singles action, including a 5-0 mark in Big South matches ... Was 16-8 in doubles action, including 6-1 in Big South matches, all with Manzanas ... Earned the match-clinching victory that gave PC the Big South Championship, recording a 6-4, 3-6, 6-3 win at No. 6 singles ... Overcame a 3-1 deficit in the third set and won the final five games to take the match ... Won nine straight singles matches at one point, second-longest on the team ... Named Big South Player of the Week on February 15, after going 4-0 at the Alabama State Invitational ... Went 6-1 at No. 6 singles, 4-1 at No. 5, 2-2 at No. 3 and 0-1 at No. 2 ... Was 13-7 at No. 3 doubles and 3-1 at No. 2.
Before PC: Played tennis in Spain ... Attended Colegio de la Compañía de Maria La Enseñanza.
Personal: Son of Emiliano Castillo Marchante and Remedios López Cuesta.