University of Delaware Athletics
2021-22 Men's Tennis Roster

Guilherme Valdoleiros
- Class:
- Graduate Student
- Hometown:
- Marco de Canaveses, Portugal
- Height:
- 5-11
- Weight:
- null
- High School:
- Escola Secundaria de Marco de Canaveses
- Major:
- Mechanical Engineering
AT DELAWARE
· Four-time letter winner for the Blue Hens
· One of nine international student-athletes on the roster
· Majoring in mechanical engineering
· Tied for 31st in program history with 39 career singles wins
2021-2022 SEASON
- Went 21-11 overall in singles, including a 14-6 mark in dual matches across three positions
- Had an 8-0 record at No. 5 singles and a 4-2 record at No. 6
- Had a 12-match winning streak from March 13-April 22 including a win in the CAA Quarterfinals
- Tied for team lead in doubles wins, registering a 19-11 overall record and an 11-9 mark in dual matches
- Had an 11-5 doubles record with Pascal Wagemaker, going 5-4 at the No. 2 position and 4-0 at No. 3
- Went 8-6 in doubles with Alexandre Gluck
- CAA Player of the Week (April 12)
2020-2021 SEASON
- Team MVP
- CAA Player of the Week (Apr. 14)
- 7-2 singles record
- Helped the Blue Hens to a 7-3 season and quarterfinals appearance in the CAA Tournament.
2019-20 SEASON
· Team SAAC representative alongside Nathan Benyowitz and Luis Marcano (SAAC President)
· CAA Doubles Team of the Week (March 11) with Justice Jones
· Tallied a career-best 14 singles and 13 doubles wins
· Paired with Justice Jones for a 6-2 mark in No. 2 doubles; duo won three straight to finish the year
· Collected season-high six-match winning streak from Jan. 26 to Feb. 16
· Helped guide Blue Hens to a 14-1 record (.933), the highest winning percentage since 1974-75; Delaware was also amidst a school-record 14-match winning streak when season was halted due to COVID-19 pandemic
2018-19 SEASON
· Collected career-highs 13 singles and nine doubles wins as a sophomore
· Logged three separate stretches of three straight singles wins
· Posted five wins in No. 3 singles
· Led Delaware with six fall tournament singles victories
· Won first three doubles matches of season alongside junior Dominick Perez
2017-18 SEASON
· UD Alumni Association Team MVP
· Registered 12 singles victories at a clip of .857 during first season in a Delaware uniform
· Posted three straight singles wins to open collegiate career
· Tallied five consecutive victories to finish the year
· Defeated UConn's Evan Powell, 7-6 (5), 6-4, in collegiate debut on January 26
· Played majority of season at No. 6 singles
· CAA Commissioner's Academic Honor Roll
PERSONAL
· Born July 17, 1999 in Marco de Canaveses, Portugal
· Nickname is Gui
· Son of Hildeberto Moreira e Osório de Valdoleiros and Maria de Soledade Coutinho de Moura e Osório de Valdoleiros
· Has a brother, João Moura e Osório de Valdoleiros
· Hobbies include listening to music and watching tv
· Lists favorite sports team as Sporting Clube de Portugal (SCP)
CAREER STATISTICS | ||
Year | Singles | Doubles |
2017-18 | 12-2 | 2-1 |
2018-19 | 13-13 | 9-8 |
2019-20 | 14-7 | 13-8 |
Totals | 39-22 | 24-17 |
Click on year for match-by-match results