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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kcc2 draw
5 Kd2 draw
6 Kd4 draw
7 Ra3 draw
8 Rb7 draw
9 Ka1 loss in 1 half-moves
10 Ka2 loss in 1 half-moves
11 Ka3 loss in 1 half-moves
12 Kb1 loss in 1 half-moves
13 Kbc2 loss in 1 half-moves
14 Kc1 loss in 1 half-moves
15 Kd3 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rb6 loss in 1 half-moves