Career-High Rankings
Singles: No. 87 (Nov. 25, 2025)
Doubles: No. 34 (Feb. 19, 2026; with Kenta Miyoshi)

2025-26: Freshman

• Secured Big Ten Freshman of the Week honors for the second time (March 4)
• Took down TCU’s Oliver Bonding in three sets, 6-3, 2-6, 6-2, to clinch the Illini's win over the No. 6 Horned Frogs (Feb. 28)
• Dominantly defeated Baylor’s No. 73 Alexandru Chirita in two sets, 6-2, 6-1 (Feb. 27)
• Logged a 6-2, 5-7, 6-2 triumph against Kentucky’s No. 73-ranked Charlelie Cosnet (Feb. 8)
• Posted a 6-1, 3-6, 6-3 win over No. 15 Duke’s Gerard Planelles Ripoll (Jan. 30)
• Defeated Xavier’s Max Pettingell in two sets, 6-1, 6-1 (Jan. 30)
• With Kenta Miyoshi, posted a 7-6(5) victory over Columbia’s Nicolas Kotzen/Andrew Ena at No. 1 doubles (Jan. 23)
• Took down TCU’s Julian Alonso Vivanco in two sets, 6-4, 6-4 (Nov. 6)
• Achieved a ranked win against No. 51 Bryce Nakashima of Ohio State, 7-6(7), 5-7, 6-2 (Oct. 18)
• Defeated Wisconsin’s Tomas Zlatohlavek in two sets, 7-5, 6-4 (Oct. 18)
• Won a tight three-set match between Notre Dame’s Kyran Magimay (Oct. 17)
• Registered a straight-set singles win against Michigan’s Bjorn Swenson, 6-4, 6-2 (Oct. 3)
• Secured Big Ten Freshman of the Week honors for the first time (Sept. 17)
• Picked up his first collegiate singles win against No. 118 Jelani Sarr of Arizona State, 6-4, 1-6, 1-0 (10-6) (Sept. 11)

Prior to Illinois

• Has won four ITF junior singles and nine doubles titles
• Career-high ITF junior ranking of No. 111
• Entered July 2025 with career-high ATP rankings of No. 1254 in singles and No. 1117 in doubles
• Teamed up with Illini teammate David Bakonyi to win J200 doubles titles at Piestany (Slovakia), Târgu Jiu (Romania), and Szekesfehervar (Hungary) in 2024
• Represented Hungary at the 2025 Davis Cup Qualifiers in Canada

Personal

• Born Dec. 12, 2006
• Parents are Zsolt Jilly and Emoke Karnok
• One sibling: Daniel
• Chose Illinois because “I really wanted to join a competitive tennis program with very good academics, and I think Illinois makes all of this possible for me. I also really liked how the coaches were very sympathetic and helpful to me.”