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 Ka7 draw
3 Ka8 draw
4 Kbc8 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Ra7 draw
9 Kb6 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kcc8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves