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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Kb8 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Rb8 win in 9 half-moves
8 K6b7 draw
9 K6c7 draw
10 K6d7 draw
11 K8b7 draw
12 K8c7 draw
13 K8d7 draw
14 Kd8 draw
15 Ra6 draw
16 Rb3 draw
17 Rb4 draw
18 Rb7 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves