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

EGTB: win in 2 half-moves

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