At the 2014 Australian Open, Barthel reached the 3rd round with wins over Shuai Zhang 7-6 (4), 6-3 and Luksika Kumkhum 4-6,6-3,6-4.
Barthel reached the 3rd round with wins over Shuai Zhang 7-6 (4) Kumkhum 4-6-3. This was at the 2014 Australian Open. Barthel reached the 3rd round with wins over 6-3 Kumkhum 4-6-3. This was at the 2014 Australian Open. Barthel reached the 3rd round with wins over Luksika Kumkhum 4-6-3. This was at the 2014 Australian Open.3 was 6-4.6 was 6.