It appears that this player was from Romania and moved to France at some point during his playing career. ATP lists him as being from France.
Round 2
Jean Bircu 1 *
Laurentiu Bucur
6-2
2-6
6-4
6-8
6-1
Quarterfinals
Jean Bircu 1 *
Octavian Vilcioiu
1-6
6-3
6-4
4-6
6-1
Semifinals
Florin Segarceanu 1 *
Jean Bircu
8-6
7-5
6-1