Performance Development JAN KOVAČ, 2014, TK 50m backstroke men, 25m course (in 2024 points)
	0	36	0	0	0	0
	2024 (10 yrs)	2023 (9 yrs) 1:06,90	2022 (8 yrs) 1:06,90	2021 (7 yrs) 1:06,90	2020 (6 yrs) 1:06,90	2019 (5 yrs) 1:06,90