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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb1 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rb4 draw
7 Rb5 draw
8 Kb7 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kcd7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ked7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Kb5 loss in 1 half-moves
19 Kc5 loss in 1 half-moves
20 Kd5 loss in 1 half-moves