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 win in 5 half-moves
3 Kc7 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Ke6 draw
9 Kf5 draw
10 Kf6 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Kd4 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves