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 Ka7 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kbc5 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kc7 win in 3 half-moves
8 Ra4 win in 3 half-moves
9 Kd4 win in 7 half-moves
10 Rb3 win in 9 half-moves
11 Kbb5 draw
12 Rb1 draw
13 Rb2 draw
14 Kb3 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kcb5 loss in 2 half-moves
17 Kcc5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves