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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kb4 win in 7 half-moves
4 Kb5 win in 7 half-moves
5 Kc3 win in 7 half-moves
6 Kc5 win in 7 half-moves
7 Ra8 win in 11 half-moves
8 Kb3 draw
9 Kd8 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb7 draw
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves