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 Kb2 draw
3 Kc2 draw
4 Kd2 draw
5 Rb1 draw
6 Rb2 draw
7 Rb7 draw
8 Rb8 draw
9 Kb4 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves