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Head to head
3 won, 1 lost
3
VS
1
MK
Mateo Kowalczyk
Add partner
Add partner
HB
Henry Brennan
Add opponent's partner
Add opponent's partner
Leicester Junior Open (demo)
BD18U
Group C
17 Feb 2027 · 14:01
Round 7
Henry Brennan
/
Oscar Smith
7
6
Mateo Kowalczyk
/
Freddie O'Connor
5
0
Round 7
Henry Brennan
/
Oscar Smith
–
Mateo Kowalczyk
/
Freddie O'Connor
7
-
5
6
-
0
Newcastle upon Tyne Junior Open (demo)
BD18U
Main draw
3 Dec 2026 · 13:24
Round 1
Henry Brennan
/
Oscar Smith
0
4
Mateo Kowalczyk
/
Freddie O'Connor
6
6
Round 1
Henry Brennan
/
Oscar Smith
–
Mateo Kowalczyk
/
Freddie O'Connor
0
-
6
4
-
6
Southampton Tenniskids Festival
BD12U
Main draw
8 Nov 2026 · 14:49
Round 2
Yusuf Ashby
/
Mateo Kowalczyk
7
6
Oliver Whitcombe
/
Henry Brennan
5
1
Round 2
Yusuf Ashby
/
Mateo Kowalczyk
–
Oliver Whitcombe
/
Henry Brennan
7
-
5
6
-
1
London Championships
BD14U
Main draw
16 Dec 2023 · 16:27
Round 2
Arthur Fitzgerald
/
Mateo Kowalczyk
6
7
Henry Brennan
/
Harry Green
0
5
Round 2
Arthur Fitzgerald
/
Mateo Kowalczyk
–
Henry Brennan
/
Harry Green
6
-
0
7
-
5