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Brad Kasnet / Amherst Athletics

Sillaste and Frangenberg Advance to the Doubles Semifinals at ITA Regionals

9/26/2026 9:11:00 PM

MIDDLEBURY, VT. – Amherst College men's tennis has a doubles team in the semifinals after the first two days of the ITA New England Regional Championships, hosted by Middlebury College. The top-seeded pair of Andreas Sillaste and Lukas Frangenberg won all three of its matches to reach Sunday's semifinals.

Ronald Gualario reached the B singles quarterfinals. Rex Harrison upset No. 6 seed Thehan Wijemanne of Middlebury on his way to the round of 16 in A singles. Harrison also teamed with Alex Brzov to reach the doubles quarterfinals.

HIGHLIGHTS
  • Top seeds roll into the semis. Sillaste and Frangenberg outlasted Brandeis' Oliver Lorenz and Benjamin Kotzen, 8-7 (7-1), in their opener. They then beat Babson's Sebastian Mendoza and Andre Ziskind, 8-2, and No. 8 seed Simon Catanzaro and Cameron Zia of Bowdoin, 8-3.
  • Harrison topples a seed. After a 6-0, 6-3 win over Colby's Rhys Spano, Harrison dropped the first set against Wijemanne. He then won 2-6, 6-1, [10-3].
  • Gualario wins three straight. Gualario beat Bowdoin's Drew Gilbert, 8-3, and Colby's Owen Lauw, 8-2. He then took out No. 5-8 seed Andy Yim of Middlebury, 6-4, 7-6 (2). His run ended in the quarterfinals against top seed Jackson Rich of Tufts.
  • Harrison and Brzov knock off a seed. The 9-16 seeded pair beat Clark's Aris Kirkorian and Edward Shepherd-Johnson, 8-2, and No. 5 seed Jackson Codd and Christian Stubbeman of Bowdoin, 8-3. They fell to Tufts' Pratt Yerger and Matej Djokic in a tiebreak in the quarterfinals
  • Sillaste cruises early. The top seed in A singles won his first two matches by identical 6-0, 6-2 scores before falling to Bowdoin's Cameron Zia in the round of 16.

RESULTS

Singles: A Draw
Round of 64
Andreas Sillaste [1] def. Landon Wyshner (Wheaton), 6-0, 6-2
Lukas Frangenberg [7] def. Aidan Wang-Fan (Brandeis), 7-6 (1), 2-6, [10-8]
Rex Harrison def. Rhys Spano (Colby), 6-0, 6-3
Jack Reis [9-16] lost to Gary Jiang (MIT), 6-4, 1-6, [6-10]

Round of 32
Andreas Sillaste [1] def. Max Golubenko (Trinity), 6-0, 6-2
Rex Harrison def. Thehan Wijemanne [6] (Middlebury), 2-6, 6-1, [10-3]
Lukas Frangenberg [7] lost to Matej Djokic (Tufts), 4-6, 1-6

Round of 16
Andreas Sillaste [1] lost to Cameron Zia (Bowdoin), 4-6, 2-6
Rex Harrison lost to Simon Catanzaro [9-16] (Bowdoin), 2-6, 6-7 (5)

Singles: B Draw

Round of 64
Ronald Gualario def. Drew Gilbert (Bowdoin), 8-3
Ethan Ohm lost to Anand Sahasrabudhe (Middlebury), 7-8 (3)
Spencer Leung lost to Tommy Jani (Wesleyan), 7-8 (3)


Round of 32
Ronald Gualario def. Owen Lauw (Colby), 8-2
Andy Lee def. Benjamin Kotzen (Brandeis), 8-3
Alex Brzov [4] lost to Pratt Yerger (Tufts), 4-8

Round of 16
Ronald Gualario def. Andy Yim [5-8] (Middlebury), 6-4, 7-6 (2)
Andy Lee lost to Nikky Kondamuri (Middlebury), 2-6, 4-6

Quarterfinals
Ronald Gualario lost to Jackson Rich [1] (Tufts), 6-7 (2), 3-6

Doubles: Main Draw

Round of 64
Spencer Leung/Andy Lee lost to Antonio Lee/Eli Linn (Colby), 5-8
Jack Reis/Ronald Gualario lost to Gary Jiang/Kaden Chen (MIT), 5-8

Round of 32
Sillaste/Frangenberg [1] def. Oliver Lorenz/Benjamin Kotzen (Brandeis), 8-7 (1)
Harrison/Brzov [9-16] def. Aris Kirkorian/Edward Shepherd-Johnson (Clark), 8-2

Round of 16
Sillaste/Frangenberg [1] def. Sebastian Mendoza/Andre Ziskind [9-16] (Babson), 8-2
Harrison/Brzov [9-16] def. Jackson Codd/Christian Stubbeman [5] (Bowdoin), 8-3

Quarterfinals
Sillaste/Frangenberg [1] def. Simon Catanzaro/Cameron Zia [8] (Bowdoin), 8-3

Harrison/Brzov [9-16] lost to Pratt Yerger/Matej Djokic (Tufts), 7-8 (6)

UP NEXT
Sunday, September 27 - ITA New England Regional Championships, Doubles Semifinals

Sillaste/Frangenberg [1] vs. Kosyagin/Sarmanov [6] (Bates), 9AM
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