Birkner, Michael

USTA ID

2019082559

Gender

Male

Location

Schaumburg, IL

WTN ID

BIR2199871

Active Flights

STP (Zhou)

Rating	Type	Year	Date	Expires
4.0	C	2023	Dec. 31, 2023	Dec. 31, 2026

Singles

25.10

Confidence 50 · 23.4–26.9

Doubles

24.31

Confidence 10 · 22.5–26.1

Men's Combo 3.5

15 matches

1# Doubles

6 (40%)

1# Singles

4 (27%)

2# Doubles

4 (27%)

2# Singles

1 (7%)

Men's Combo 4.0

3 matches

1# Singles

2 (67%)

2# Singles

1 (33%)

Partner	W	L	xW	Together
Zhefu Chen	4	1	3.2	5
Yusuke Saito	1	0	0.7	1
Yasukazu Nagatake	1	0	0.9	1
Jianchuan Zhang	1	0	0.8	1
Tsuyoshi Yamazaki	1	0	0.8	1
Joey Zhou	0	1	0.6	1

Opponent	W	L	xW	Faced
Marc Falkoff	1	1	1.4	2
Enrico Marcato	1	0	0.9	1
Alexander Mushinskiy	0	1	0.2	1
Sho Mizokawa	1	0	0.7	1
Matthew Shearer	1	0	0.7	1
Isaac Gartzman	1	0	0.8	1
Kedar Bhat	1	0	0.7	1
Gene Fleischer	1	0	0.7	1
Michael Hong	1	0	0.3	1
Chris Mast	1	0	0.8	1
Jason Leung	0	1	0.7	1
Marek Sypolka	0	1	0.7	1
Carlos del Moral	1	0	0.9	1
Carlos Waldron	1	0	0.9	1
Andrew Zens	1	0	0.8	1
Peter Rosenbaum	1	0	0.8	1
Andrey Petrov	1	0	0.7	1
Vishal Dhar	1	0	0.7	1
Greg Goalwin	1	0	0.8	1
Eric Esancy	1	0	0.8	1
Venkat Maligireddy	1	0	0.8	1
Sourav Sen	1	0	0.8	1
Chen Cheng	1	0	0.6	1
John Kim	1	0	0.6	1
Keith Sgariglia	0	1	0.6	1
Andrew Dickerson	1	0	0.5	1
Eli Sidman	1	0	0.5	1

Date	Flight	Pos	Partner	Opponent(s)	Score	P(win)	Result
3/22/2026	M 4.0 Winter	2# Singles	—	Enrico Marcato	6-2 6-0	90%	W
2/7/2026	M 4.0 Winter	1# Singles	—	Alexander Mushinskiy	6-4 6-3	24%	L
1/25/2026	M 4.0 Winter	1# Singles	—	Sho Mizokawa	6-7 1-0 1-0	71%	W
11/19/2023	Men 3.5	1# Singles	—	Matthew Shearer	6-2 6-2	74%	W
11/4/2023	Men 3.5	1# Singles	—	Isaac Gartzman	6-1 6-1	76%	W
10/21/2023	Men 3.5	2# Doubles	Yusuke Saito	Kedar Bhat / Gene Fleischer	6-1 6-4	66%	W
10/14/2023	Men 3.5	1# Singles	—	Michael Hong	6-2 6-0	33%	W
7/22/2023	Men 3.5	1# Singles	—	Chris Mast	4-6 6-5	80%	W
7/8/2023	Men 3.5	2# Doubles	Zhefu Chen	Jason Leung / Marek Sypolka	7-5 5-6 1-0	72%	L
6/24/2023	Men 3.5	1# Doubles	Yasukazu Nagatake	Carlos del Moral / Carlos Waldron	6-2 6-1	89%	W
6/17/2023	Men 3.5	2# Doubles	Zhefu Chen	Andrew Zens / Marc Falkoff	3-6 6-2 1-0	79%	W
6/11/2023	Men 3.5	2# Singles	—	Peter Rosenbaum	6-2 6-3	79%	W
5/13/2023	Men 3.5	1# Doubles	Zhefu Chen	Andrey Petrov / Vishal Dhar	6-3 7-6	70%	W
4/29/2023	M 3.5 Winter	2# Doubles	Jianchuan Zhang	Greg Goalwin / Eric Esancy	6-2 6-4	81%	W
3/4/2023	M 3.5 Winter	1# Doubles	Tsuyoshi Yamazaki	Venkat Maligireddy / Sourav Sen	6-1 6-3	82%	W
2/19/2023	M 3.5 Winter	1# Doubles	Zhefu Chen	Chen Cheng / John Kim	4-6 6-4 1-0	57%	W
2/11/2023	M 3.5 Winter	1# Doubles	Joey Zhou	Marc Falkoff / Keith Sgariglia	6-3 4-6 1-0	57%	L
1/7/2023	M 3.5 Winter	1# Doubles	Zhefu Chen	Andrew Dickerson / Eli Sidman	6-3 6-5	46%	W

Year	Flight	Team
2026	CDTA 18 & Over M 4.0 Winter Active	CDTA W 18&OM4.0 1.STP Zhou Sun 3 $22
2024	CDTA E 18&O Men 3.5	CDTA E 18&OM3.5 2.Schaumburg Zhou Sat 10 $20
2023	CDTA S 18 & Over Men 3.5	CDTA S 18&OM3.5 b.Schaumburg Zhou Sat 10 $20
2023	CDTA 18 & Over M 3.5 Winter	CDTA W 18&O 3.5M Schaumburg Zhou Sat 10 $20