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Alex Knaff

Player profile

(Updated May 2019)
Redshirt Senior
Luxembourg, Luxembourg
high school
Sportlycee Luxembourg

Singles Stats:

YearOverallDual MatchTournamentsACCCourt 1Court 2Court 3Court 4Court 5Court 6vs. Ranked

Doubles Stats:

YearOverallDual MatchTournamentsACCCourt 1Court 2Court 3vs. Ranked


  • ACC Doubles Team of the Week w/ Guy Iradukunda- Feb. 13, 2018
  • ACC Doubles Team of the Week w/ Sebastian Arcila – Feb. 26, 2019
  • All-ACC Second Team (2019)
  • All-ACC Academic Team (2018-19)

Spring 2021

Expected to lead FSU from the No. 1 line, Knaff battled injuries throughout his final season in Tallahassee…played in 16 singles matches with 10 starts coming at the No. 1 spot…played in 21 doubles matches with 10 of those coming on the top line…joined with Sebastian Arcilla to defeat the 31st-ranked doubles team from Georgia Tech…their upset win was on of three ranked doubles wins for the team in 2021.

(updated 7/2021)

Spring 2020:

Finished the spring with a 7-3 singles record and a 7-4 record in doubles… all of his singles and doubles matches were played on court one…earned three ranked singles wins and one ranked doubles win…finished the spring ranked 74th in the nation in singles…climbed up to a career-high ranking of No. 56 on February 5, 2020…won his first match of the season against no. 58 Maxime Lapraille of FAU 6-3, 6-3…picked up his second-ranked singles win on court one against No. 21 Mississippi State when he defeated No. 15 Giovanni Oradini 5-7, 7-6, 6-4…was leading No. 1 Texas’s second-ranked singles player Yuya Ito 7-6(3), 4-1 before the match was clinched…won four straight matches from Feb. 7-Feb. 28 with wins coming against Auburn, Tennessee Tech, Buffalo and Oklahoma…the win over Oklahoma marked Knaff’s third ranked singles win of the season when he took down No. 107 Jake Van Emburgh 6-2, 6-3…started the season paired with Sebastian Arcila in doubles, the pair went 4-2 together with a ranked win over South Alabama’s 30th ranked doubles pair of Lois Cloes and Clement Marzol 6-1…went 3-2 in doubles while paired with Loris Pourroy.

Fall 2019:

Did not compete in the fall but was ranked No. 11 in the nation in doubles with Sebastian Arcila in the preseason fall rankings.

Spring 2019:

Earned Second Team All-ACC honors… finished the season with a 14-9 record in singles and a 15-9 record in doubles… finished 5-0 on court one in singles and earned all 15 doubles wins on court one… earned a ranked doubles win with Aziz Dougaz when they took down Texas Tech’s 17th ranked pair of Bjorn Thomson and Parker Wynn 6-2 in the first round of ITA Kick-Off Weekend… earned ACC Doubles Pair of the Week Honors on 2/26 with partner Sebastian Arcila after defeating Clemson’s Pierre-Louis Dodens and Jacob Jahn 6-4… captured his second-ranked doubles win against NC State’s 57th ranked Alexis Galarneau and Michael Ogden 7-6(2) with Sebastian Arcila… earned his third-ranked doubles win against Wake Forest’s Borna Gojo and Alan Gadjiev 6-4 and followed that up with a 6-3 win over 18th Bogdan Pavel and Trey Hilderbrand of UCF in the first round of the NCAA Tournament.

Fall 2018:

Earned a 4-2 singles record and a 5-2 doubles record, all with partner Sebastian Arcila…went 2-1 in the ITA All-American qualifying draw…went 2-1 at the ITA Southeast Regional…made it to the finals of the doubles draw at the Southeast Regional, good enough to qualify for Fall Championships…went 1-1 in doubles at Fall Championships with Arcila.

Spring 2018:

Was a mainstay on courts four and five in singles, achieving a 12-3 record… went 10-5 in doubles, playing on all three courts… had a career-high ranking of 59 in singles to start the spring… was ranked as high as 17th in doubles with partner Guy Iradukunda… won his first match of the fall against No. 8 Florida on court four with a 1-6, 6-4, 6-2 win during the College MatchDay event hosted at the USTA National Center in Lake Nona, Fla. live on the tennis channel (Feb. 3)…defeated Matt Henson of The Citadel on court two 6-2, 6-0 and went 2-0 in doubles during the doubleheader against The Citadel and Florida A&M (Feb. 10)…won both of his doubles matches against New Orleans and Liberty (Feb. 24) in his first doubles matches with partner Sebastian Arcila…defeated No. 50 Clemson’s No. 5 player in three sets in the first ACC match of the season (Mar. 5)…clinched his first match of the season on court five against Miami (Mar. 9) with a 6-2, 6-4 win on court five…clinched the match against Drake with a three-set win on court five (Mar. 16)…helped the Seminoles clinch two ranked matches in the same weekend with a win on court five against No. 23 NC State (Mar. 23) and another win on court five against No. 1 Wake Forest (Mar. 25)…earned his eighth win of the season and second on court four with a three set win over No. 38 Louisville (Mar. 29)…defeated Boston College on court four 6-0, 6-0 (Apr. 13)…earned the Seminoles first point against No. 28 Notre Dame on court five with a 6-3, 6-4 win (Apr. 15)…handed North Carolina’s Blaine Boyden his first loss of the season on court five with a 6-2, 6-2 win (Apr. 20)…gave the Seminoles a 2-1 lead against Duke in the ACC quarterfinals with a 6-0, 6-1 win on court five (Apr. 27)…

Fall 2017:

Earned a 7-5 singles record and a 4-2 doubles record in the fall…earned one win over a ranked opponent with a 4-6, 7-6, 6-2 win over Florida’s McClain Kessler (No. 88)…went 2-1 at the Bedford Cup hosted by Florida State including two straight set victories over Enrique Paya of North Florida and Adriano Soriano of Miami…made it to the semifinals of the ITA Southeast regional at Georgia Tech…defeated Lasse Nyscgeites of North Florida 7-6, 6-3 in round one, took down McClain Kessler of Florida in the second round, beat Fermin Calvo 6-1, 6-0 in the round of 16 and defeated Grayson Goldin of South Florida 4-6, 6-3, 6-4 in the quarterfinals…made it to the doubles quarterfinals with partner Guy Iradukunda at the Southeast Regional…qualified for the ITA Fall Championships and won one match.

Spring 2017:

Gained valuable experience in first spring season, especially late in the postseason…recorded a 5-5 singles record and a perfect 4-0 doubles record in freshman spring season…stepped into the lineup at courts four through six throughout the year…earned wins over Louisiana, Georgia Southern, NC State, Clemson, and against No. 36 Arkansas in the first round of the NCAA Championship…clinched ACC Championship victory over Clemson…defeated Arkansas’ Johan den Toom 6-3, 6-4 in straight sets on court five to lead the Seminoles to victory…in April, traveled to join his native country of Luxembourg in Davis Cup play…won a deciding doubles match in three sets to defeat Macedonia and ensure that Luxembourg would advance to Group II play…in doubles, won one match each with Terrance Whitehurst and Jake Albo…On February 11, played court one doubles with Guy Iradukunda, winning both matches of a doubleheader against George Washington and College of Charleston.

Fall 2016:

Enrolled for the fall semester and competed in the Las Palmas Invitational, Georgia Tech Invitational, Bedford Cup, and ITA Southeast Regional Championship…posted a 4-6 singles record and a 5-4 record in doubles, including singles wins over Georgia and Georgia Tech…went 3-0 in doubles at the Las Palmas Invitational in Puerto Rico along with Guy Iradukunda.

Before FSU

Has played in the Davis Cup three consecutive years representing his native Luxembourg…holds a career-best ITF ranking of 400…won the Nature Element ITF Luxembourg Junior Open in 2015…rated as high as a top 100 recruit by


Started playing tennis at the age of five at his father’s club…from Luxembourg but has lived in New York, New York and in France…has traveled to five different continents…son of Carine and Francois Knaff…has a younger brother, Michel…majoring in physics…born November 26, 1997