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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb4 draw
3 Kc2 draw
4 Kc4 draw
5 Kd2 draw
6 Ke8 draw
7 Kg8 draw
8 Rb1 draw
9 Rb2 draw
10 Rb8 draw
11 Kb2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves