He was part of the West Germany Davis Cup team who reached the Challenge Round in the 1970 Davis Cup. Kuhnke was a quarterfinalist at Wimbledon in 1963 and 1964 and at the Australian Championships in 1961.
He was ranked World No. 8 for 1964 by Lance Tingay of The Daily Telegraph.
Round 2
Christian Kuhnke 1 *
Jeremy Bond
6-3
6-1
Round 3
Christian Kuhnke 1 *
Abe Segal
1-6
7-6
6-4
Quarterfinals
Christian Kuhnke 1 *
Bernie Mitton
6-3
4-6
6-4
Semifinals
Christian Kuhnke 1 *
John Yuill
6-1
7-5
Final
Christian Kuhnke 1 *
Grover E. (Raz) Reid
4-6
6-3
6-4
Round 2
Christian Kuhnke 1 *
Henry (Hank) Irvine
6-2
11-9
6-4
Round 3
Christian Kuhnke 1 *
Geoff Masters
6-2
6-1
6-1
Quarterfinals
Christian Kuhnke 1 *
Bob Carmichael
6-4
6-1
7-5
Semifinals
Christian Kuhnke 1 *
Jean-Loup Rouyer
6-4
6-4
6-0
Final
Georges Goven 1 *
Christian Kuhnke
6-2
2-6
6-1
6-3
Round 1
Christian Kuhnke 1 *
Allan J. McDonald
4-6
6-4
3-6
6-1
6-0
Round 2
Christian Kuhnke 1 *
Alex Kurucz
6-4
6-2
6-8
7-9
6-3
Quarterfinals
Christian Kuhnke 1 *
Hans Jurgen Pohmann
8-6
6-0
6-2
Semifinals
Christian Kuhnke 1 *
Daniel Contet
4-6
6-4
6-4
6-3
Final
Wilhelm Bungert 1 *
Christian Kuhnke
6-3
6-0
6-4
Round 1
Christian Kuhnke 1 *
Brandon Walsh
6-2
6-0
Round 2
Christian Kuhnke 1 *
Ray Keldie
6-3
6-4
Quarterfinals
Christian Kuhnke 1 *
Richard A. Russell
2-6
6-2
6-1
Semifinals
Christian Kuhnke 1 *
Terry W. Addison
6-3
6-2
Final
Christian Kuhnke 1 *
Gerald Battrick
6-4
6-0
Round 1
Christian Kuhnke 1 *
John Barrett
7-5
3-6
6-3
Round 2
Christian Kuhnke 1 *
Stefan Koudelka
6-2
6-4
Quarterfinals
Christian Kuhnke 1 *
Laszlo Kovacs
11-9
6-4
Semifinals
Christian Kuhnke 1 *
Jean-Claude Barclay
3-6
4-6
6-3
6-3
6-1
Final
Ove Bengtson 1 *
Christian Kuhnke
6-3
6-3
6-8
6-4
Round 1
Christian Kuhnke 1 *
John Barrett
6-1
6-2
6-1
Round 2
Christian Kuhnke 1 *
Péter Szoke (Szőke)
6-0
11-9
6-3
Round 3
Christian Kuhnke 1 *
Robert Maud
11-9
7-5
3-6
3-6
6-1
Quarterfinals
Christian Kuhnke 1 *
Roy Emerson
6-2
6-4
6-0
Semifinals
Tony Roche 1 *
Christian Kuhnke
6-3
8-6
6-2
Round 2
Christian Kuhnke 1 *
Pericles Gavrilidis
6-3
6-0
Round 3
Christian Kuhnke 1 *
Patricio H. (Pato) Rodriguez
6-3
4-6
6-1
Quarterfinals
Christian Kuhnke 1 *
Attila Korpas
6-4
6-0
Semifinals
Christian Kuhnke 1 *
Ray Ruffels
6-4
1-6
6-1
6-4
Final
Bob Hewitt 1 *
Christian Kuhnke
6-4
6-2
3-6
6-2
Round 1
Christian Kuhnke 1 *
John Cooper
6-2
6-0
6-2
Round 2
Christian Kuhnke 1 *
Jaidip Mukerjea
6-4
6-4
8-6
Round 3
Christian Kuhnke 1 *
Owen Davidson
1-6
6-4
6-0
6-1
Quarterfinals
Christian Kuhnke 1 *
Martin Mulligan
6-4
6-2
7-5
Semifinals
Boro Jovanovic 1 *
Christian Kuhnke
6-0
4-6
6-4
6-3
Round 1
Christian Kuhnke 1 *
Hannes Mühlenburg
6-2
6-0
Round 2
Christian Kuhnke 1 *
Klaus Peschanel
6-1
6-0
Quarterfinals
Christian Kuhnke 1 *
David George Sanderlin
6-0
4-6
6-0
Semifinals
Christian Kuhnke 1 *
Jose Edson Mandarino
6-4
6-1
6-1
Final
Christian Kuhnke 1 *
Ingo Buding
6-4
6-1
6-3
Round 1
Christian Kuhnke 1 *
Bobby Wilson
6-3
6-4
1-6
6-2
Round 2
Christian Kuhnke 1 *
Keith A. Carpenter
6-3
6-2
6-1
Round 3
Christian Kuhnke 1 *
Adrian Bey
6-1
6-4
6-4
Round 4
Christian Kuhnke 1 *
Manuel Santana
6-3
7-5
6-8
6-4
Quarterfinals
Fred Stolle 1 *
Christian Kuhnke
6-3
7-5
6-3
Round 1
Christian Kuhnke 1 *
Robert Maud
6-2
6-1
6-3
Round 2
Christian Kuhnke 1 *
Ernst Blanke jr
6-0
6-3
6-2
Round 3
Christian Kuhnke 1 *
Bob Hewitt
4-6
7-5
6-3
6-1
Quarterfinals
Christian Kuhnke 1 *
Nikola (Niki) Pilic
6-4
6-4
7-5
Semifinals
Christian Kuhnke 1 *
Martin Mulligan
6-1
7-5
6-1
Final
Wilhelm Bungert 1 *
Christian Kuhnke
0-6
6-4
7-5
6-2
Round 1
Christian Kuhnke 1 *
Fritz Kolbinger
6-2
6-0
Round 2
Christian Kuhnke 1 *
Lawrence H. (Larry) Nagler
7-5
2-6
6-2
Quarterfinals
Christian Kuhnke 1 *
Jorgen Ulrich
9-7
2-6
6-1
6-0
Semifinals
Christian Kuhnke 1 *
Nicola Pietrangeli
10-8
6-2
Final
Christian Kuhnke 1 *
Bobby Wilson
6-3
6-1
4-6
6-3
Round 1
Christian Kuhnke 1 *
Jean-Claude Barclay
6-4
6-3
10-8
Round 2
Christian Kuhnke 1 *
Mark M. Cox
2-6
6-4
6-3
6-4
Round 3
Christian Kuhnke 1 *
Billy Knight
12-10
6-3
6-4
Round 4
Christian Kuhnke 1 *
Jan Erik Lundquist
6-4
6-3
6-2
Quarterfinals
Manuel Santana 1 *
Christian Kuhnke
6-3
6-4
6-4
Round 1
Christian Kuhnke 1 *
Klaus Wunderlich
6-1
6-1
6-2
Round 2
Christian Kuhnke 1 *
Gottfried Dallwitz
6-2
6-4
6-0
Quarterfinals
Christian Kuhnke 1 *
John Fraser
7-5
3-6
11-9
6-2
Semifinals
Christian Kuhnke 1 *
Ken Fletcher
7-5
6-2
6-2
Final
Christian Kuhnke 1 *
Fred Stolle
6-3
2-6
13-11
6-1
Round 1
Christian Kuhnke 1 *
Eduardo A. Zuleta
6-3
6-0
Round 2
Christian Kuhnke 1 *
Istvan Gulyas
0-6
6-2
6-4
Round 3
Christian Kuhnke 1 *
Wilhelm Bungert
7-5
6-3
Quarterfinals
Christian Kuhnke 1 *
Neale Fraser
6-3
2-6
6-4
Semifinals
Pierre Darmon 1 *
Christian Kuhnke
6-0
6-3
Round 1
Christian Kuhnke 1 *
Flemming Harris
6-1
6-2
Round 2
Christian Kuhnke 1 *
Eric Drossart
7-5
4-6
9-7
Quarterfinals
Christian Kuhnke 1 *
Ladislav (Laci) Legenstein
6-4
6-2
Semifinals
Christian Kuhnke 1 *
Barry Phillips-Moore
6-4
6-4
11-9
Final
Bobby Wilson 1 *
Christian Kuhnke
6-4
6-3
7-5
Round 1
Christian Kuhnke 1 *
Owen Davidson
6-2
6-4
Round 2
Christian Kuhnke 1 *
Keith Diepraam
4-6
6-4
6-1
Quarterfinals
Christian Kuhnke 1 *
Eduardo Soriano
6-4
6-3
Semifinals
Christian Kuhnke 1 *
Juan Manuel Couder
6-2
6-4
Final
Wilhelm Bungert 1 *
Christian Kuhnke
5-7
6-1
6-4
3-6
6-4
Round 1
Christian Kuhnke 1 *
Robert (Bob) Potthast
7-5
2-6
6-4
Round 2
Christian Kuhnke 1 *
Franz Saiko
6-1
6-1
Quarterfinals
Christian Kuhnke 1 *
Martin Mulligan
6-4
8-6
Semifinals
Christian Kuhnke 1 *
Bob Howe
6-3
5-7
6-2
0-6
6-4
Final
Christian Kuhnke 1 *
Pierre Darmon
6-1
6-3
6-4
Round 1
Christian Kuhnke 1 *
Fred Stolle
6-3
4-6
8-6
7-5
Round 2
Christian Kuhnke 1 *
Carlos Alberto Fernandes
9-7
6-4
6-3
Round 3
Christian Kuhnke 1 *
Ian Vermaak
6-4
6-4
6-2
Quarterfinals
Christian Kuhnke 1 *
Pierre Darmon
4-6
6-2
6-1
6-4
Semifinals
Jan Erik Lundquist 1 *
Christian Kuhnke
6-4
6-2
6-2
Round 1
Christian Kuhnke 1 *
Klaus Peschanel
6-2
6-0
Round 2
Christian Kuhnke 1 *
Peter Fährmann (Fahrmann)
6-2
6-1
Quarterfinals
Christian Kuhnke 1 *
Günther Reimann
w.o.
Semifinals
Christian Kuhnke 1 *
Bodo Nitsche
6-2
6-1
6-1
Final
Wolfgang Stuck 1 *
Christian Kuhnke
9-7
1-6
6-1
6-4
Round 1
Christian Kuhnke 1 *
Werner Helmrich
6-4
6-1
Round 2
Christian Kuhnke 1 *
Klaus Fuhrmann
6-1
6-1
Quarterfinals
Christian Kuhnke 1 *
Peter Scholl
2-6
2-6
6-1
6-3
7-5
Semifinals
Christian Kuhnke 1 *
Wilhelm Bungert
7-9
4-6
6-3
6-3
6-4
Final
Wolfgang Stuck 1 *
Christian Kuhnke
6-1
6-1
6-4
Round 1
Christian Kuhnke 1 *
Mr. Krüger
6-4
6-0
Round 2
Christian Kuhnke 1 *
Barry Phillips-Moore
6-3
6-3
Quarterfinals
Christian Kuhnke 1 *
Birger Folke
6-3
6-2
Semifinals
Christian Kuhnke 1 *
Milan (Misko) Branovic
6-1
7-5
Final
John W. (Jack) Frost 1 *
Christian Kuhnke
8-6
6-3