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 Kd3 draw
3 Rb1 draw
4 Rb2 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Kb2 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves