|Hometown:||Boca Raton, Fla.|
|High School:||Magallan Tennis Academy / Spanish River|
As a freshman: Had himself a standout rookie year, finishing 11-9 on the season ... Earned NEC Rookie of the Week after helping Bryant close out NEC play undefeated ... Finished 4-0 at No. 1 singles and 3-2 at No. 4 singles, earning himself First Team All-NEC at four ... Sealed the Bulldogs fourth-straight conference title after winning, 6-4, 6-4, at No. 4 singles ... Partnered with a number of Bulldogs, posting a 5-6 record in doubles play.
Before Bryant: Four-star recruit out of Boca Raton … Trained at the Magallan Tennis Academy … On the Head Recruiting List ranks 147 in the national, 37 in the Southeast and 18 in Florida … This season he ranked as low as 141 nationally and 226 according to the IMG TennisRPI in January … He beat the likes of four 5-star recruits, while tallying a 15–14 overall record … He is a four-time District and Regional Champion (2013-16) in the FHSAA 4A Division.
Personal: Son of Amos Argentini and Alejandra Bizzanelli, Guido was born on February 10, 1998. He has one brother Gianluca.