Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kb3 win in 5 half-moves
5 Kb4 win in 5 half-moves
6 Kd3 win in 5 half-moves
7 K4b5 draw
8 K4c5 draw
9 K4d5 draw
10 K6b5 draw
11 K6c5 draw
12 K6d5 draw
13 Rb4 draw
14 Rb5 draw
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves