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

EGTB: win in 4 half-moves

# move score
1 K5d5 win in 3 half-moves
2 K5d6 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Rb5 win in 5 half-moves
5 Kb4 win in 7 half-moves
6 Kc4 win in 7 half-moves
7 Ra6 win in 9 half-moves
8 K5b5 draw
9 K6d6 draw
10 K6b5 loss in 2 half-moves
11 K6d5 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves