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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 K6c7 win in 3 half-moves
3 K8c7 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 K8b7 win in 5 half-moves
7 Rb1 win in 5 half-moves
8 Rb3 win in 5 half-moves
9 Rb4 win in 5 half-moves
10 Kb5 win in 7 half-moves
11 Kb6 win in 7 half-moves
12 Ra8 win in 7 half-moves
13 K6b7 draw
14 K6d7 loss in 2 half-moves
15 K8d7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves