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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd1 draw
5 Kd2 draw
6 Kd7 draw
7 Kd8 draw
8 Kf1 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb7 draw
13 Ke2 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves