Second Team All-Big Ten (2025)

Career-High Rankings
Singles: No. 30 (Dec. 3, 2024)
Doubles: No. 36 (Aug. 27, 2024)

2024-25: Redshirt Junior

• 2025 All-Big Ten Second Team
• Academic All-Big Ten
• Finished the season at No. 81 in the ITA singles rankings (May 21)
• Concluded the season with a 20-9 singles record, including a 9-6 mark in dual play
• Went 17-9 in doubles action, along with 12-6 in dual matches
• Led the team with 12 dual doubles victories
• Played with his younger brother, Max, for the first time and secured a 6-4 win over Oregon's Vlad Breazu/Clement Lemire at No. 3 doubles (April 18)
• Clinched the Illini's road sweep of Northwestern with a 4-6, 6-4, 6-2 comeback win over Felix Nordby at No. 2 singles (March 29)
• With Zach Viiala, registered a 6-2 victory against Northwestern's Saiprakash Goli / Greyson Casey at No. 2 doubles in the Illini's 4-0 win against the Wildcats (March 29)
• Claimed his second ranked singles win in dual play with a 7-6(5), 6-3 victory over No. 108 Nathan Trouve in the Illini's 4-2 triumph over USC (March 23)
• Teamed up with Zach Viiala to seal the doubles point against USC with a 7-5 win over Volodymyr Iakubenko/Oscar Weightman (March 23)
• Posted a 6-3, 6-4 win over Purdue's Stefan Simeunovic at No. 2 singles (March 14) 
• Went undefeated in doubles play against Purdue and Indiana while playing with Zach Viiala (March 14 and 16)
• Battled to a straight-set triumph over Wisconsin's Patrik Meszaros at No. 2 singles in the Illini's sweep against the Badgers (March 9)
• Secured a 6-4, 6-1 victory over the Cornhuskers' Anton Shepp at No. 2 singles in Illinois' 4-1 win over Nebraska (March 7)
• Won back-to-back doubles matches against Nebraska and Wisconsin while playing with Zach Viiala (March 7 and 9)
• Teamed up with Kenta Miyoshi to seal the doubles point against UTRGV with a 7-5 comeback win at No. 2 doubles (March 1)
• Closed out No. 20 Illinois' 5-2 win over No. 12 Michigan with a 4-6, 7-5, 6-2 win over Will Cooksey at No. 2 singles (Feb. 22)
• With Kenta Miyoshi, secured the doubles point against No. 12 Michigan with a 6-4 win at No. 2 doubles over the Wolverines' Alex Cairo/Will Cooksey (Feb. 22)
• Clinched the Illini's 4-3 win over Notre Dame with a 4-6, 6-2, 6-4 comeback victory against Yu Zhang at No. 2 singles (Feb. 15)
• Defeated UNC's No. 112 Vladislav Melnic in straight sets, 6-2, 6-2, at No. 2 singles for his second ranked win of the spring (Feb. 1)
• Picked up his first dual singles win of the season with a 6-3, 7-6(6) victory over Auburn's Billy Blaydes at No. 2 singles (Jan. 26)
• Helped Illinois win the doubles point against No. 14 Tennessee with a 6-4 win at No. 3 with Jeremy Zhang against Alejandro Moreno/James Newton (Jan. 25)
• Named the Fighting Illini Invite Most Outstanding Singles Player after going 3-0 in singles play at the event (Jan. 19)
• Secured a ranked win over Boise State's No. 111 Jett Middleton, 6-0, 3-6, 6-3, on Day 1 of the Fighting Illini Invite (Jan. 17)
• With Jeremy Zhang, was tabbed the Fighting Illini Invite Most Outstanding Doubles Team after going 2-0 in doubles play on Day 1 of the event (Jan. 17)
• Entered the ITA singles rankings for the first time in his career in the end-of-fall rankings, coming in at No. 30 (Dec. 3)
• Finished the fall season with an 8-3 singles record and a 2-1 doubles mark
• Progressed to the singles main draw semifinals at the ITA Midwest Regional (Oct. 11-14)
• Defeated No. 72 Aristotelis Thanos of Michigan State in three sets (7-5, 3-6, 7-6(4)) in the Round of 16 at the ITA Midwest Regional for his second ranked win of the season (Oct. 13)
• Posted four consecutive wins at the ITA All-American Championships (Sept. 21-24)
• Picked up the first ranked victory of his career with a three-set triumph over Clemson's No. 51 Wissam Abderrahman (Sept. 23)
• With Karlis Ozolins, secured ITA preseason doubles ranking of No. 36

2023-24: Junior

• Academic All-Big Ten
• Recorded a 19-12 mark in singles play and 9-6 tally in doubles action
• Competed at No. 4, 5, and 6 in singles play
• Won each of his final three singles matches to close the season
• Was the clinching point when Illinois upset No. 16 UNC, defeating Phillip Jordan, 6-7 (2-7), 6-3, 6-3, on Jan. 27
• Played in 21 matches in the spring, mostly in singles
• Competed in 13 fall matches, earning a 9-4 record 

2022-23: Sophomore

• Academic All-Big Ten
• Did not compete in the fall
• Made Illini debut on Jan. 8 against Oklahoma
• Played in 33 matches in the spring
• Clinched the 4-2 win over No. 13 Georgia with a 7-6(7), 7-6(2) win over Trent Bryde

2021-22: Freshman

• Joined the team in January
• Sat out the season with an injury

Prior to Illinois

• Five-star recruit and No. 3-ranked player in Florida
• Reached highest national ranking of No. 8
• Played against current Illini Gabrielius Guzauskas

 Personal

• Born on Aug. 15, 2003
• Parents are Jan and Malgorzata Mroz
• Has one brother, Max
• Pursuing his bachelor's in sports management 
• Chose Illinois because "I loved the campus, the coaches were outstanding when I visited, and I believe this is the best place I can get a good education and achieve my goals of playing professional tennis."