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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kb3 win in 5 half-moves
6 Kb5 win in 5 half-moves
7 Kc3 win in 5 half-moves
8 Rb1 win in 5 half-moves
9 Ra2 win in 7 half-moves
10 Ka7 draw
11 Kb1 draw
12 Kb7 draw
13 Kc1 draw
14 Kc7 draw
15 Kd1 draw
16 Kd2 draw
17 Kd3 draw
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves