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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kc7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb4 draw
6 Rb6 draw
7 Rb7 draw
8 Kb7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kg3 loss in 1 half-moves
12 Kg4 loss in 1 half-moves
13 Kg5 loss in 1 half-moves
14 Kh3 loss in 1 half-moves
15 Kh5 loss in 1 half-moves
16 Ra8 loss in 1 half-moves
17 Rb5 loss in 1 half-moves