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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 loss in 9 half-moves
3 K7b7 loss in 3 half-moves
4 K7d7 loss in 2 half-moves
5 K7d8 loss in 2 half-moves
6 K8b7 loss in 2 half-moves
7 K8d7 loss in 2 half-moves
8 K8d8 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves