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

EGTB: win in 2 half-moves

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