Robert became a professional tennis coach in 1926 and worked for LTTC Rot-Weiss Berlin.
Round 1
Robert Kleinschroth 1 *
Giovanni (Mino) Balbi de Robecco
6-0
6-3
Round 2
Robert Kleinschroth 1 *
Sir Ernest Salter Wills
6-2
6-3
Round 3
Robert Kleinschroth 1 *
Edward Roy (Roy) Allen
6-0
6-1
Quarterfinals
Robert Kleinschroth 1 *
Max Decugis
6-4
6-4
Semifinals
Tony Wilding 1 *
Robert Kleinschroth
6-4
6-4
6-2
Round 1
Robert Kleinschroth 1 *
bye
Round 2
Robert Kleinschroth 1 *
Craig Biddle
6-4
6-3
Round 3
Robert Kleinschroth 1 *
Arthur Wallis Myers
7-5
6-4
Quarterfinals
Robert Kleinschroth 1 *
Hope M. Crisp
5-7
6-4
6-3
Semifinals
Robert Kleinschroth 1 *
Max Decugis
7-5
6-2
Final
Friedrich Wilhelm Rahe 1 *
Robert Kleinschroth
6-3
6-2
1-6
3-6
6-0
Round 1
Robert Kleinschroth 1 *
R. Virant
6-1
6-1
Round 2
Robert Kleinschroth 1 *
J.F. Hausmann
6-0
6-3
Quarterfinals
Robert Kleinschroth 1 *
Craig Biddle
12-10
6-4
Semifinals
Robert Kleinschroth 1 *
Georges Manset
6-3
3-6
4-3
ret.
Final
Tony Wilding 1 *
Robert Kleinschroth
6-1
6-4
6-2
Round 1
Robert Kleinschroth 1 *
Imre Aranyi
6-2
6-4
6-3
Round 2
Robert Kleinschroth 1 *
G.F. Poulin
6-0
6-8
7-5
6-8
6-4
Quarterfinals
Robert Kleinschroth 1 *
Maurice Germot
6-1
7-5
6-4
Semifinals
Robert Kleinschroth 1 *
William Laurentz
6-2
6-3
6-0
Final
Tony Wilding 1 *
Robert Kleinschroth
6-0
6-1
6-1
Round 1
Robert Kleinschroth 1 *
Victor González de Andía de Yrarrázaval
6-4
6-3
Round 2
Robert Kleinschroth 1 *
Umberto De Martino
6-1
6-2
Quarterfinals
Robert Kleinschroth 1 *
Johann de Morpurgo
6-1
7-5
Semifinals
Robert Kleinschroth 1 *
A.L. Bréaud (Breaud)
?
Final
Dick Williams jr 1 *
Robert Kleinschroth
6-4
ret.