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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb3 win in 7 half-moves
3 Kb4 win in 7 half-moves
4 Kb5 win in 7 half-moves
5 Kc3 win in 7 half-moves
6 Ra7 win in 7 half-moves
7 Rb1 win in 7 half-moves
8 Rb2 win in 7 half-moves
9 Rb4 win in 7 half-moves
10 Kb6 draw
11 Kb8 draw
12 Kc5 draw
13 Kc6 draw
14 Kc8 draw
15 Kd8 draw
16 Rb3 draw
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves