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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd8 draw
5 Ke8 draw
6 Rb5 draw
7 Rb8 draw
8 Ke7 loss in 4 half-moves
9 Kc6 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rb4 loss in 1 half-moves