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 Rd8 win in 3 half-moves
3 Kb3 win in 5 half-moves
4 Kb4 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Kb7 win in 5 half-moves
7 Kb8 win in 5 half-moves
8 Kc3 win in 5 half-moves
9 Kc5 win in 5 half-moves
10 Kd3 win in 5 half-moves
11 Kd4 win in 5 half-moves
12 Kd5 win in 5 half-moves
13 Kd7 win in 5 half-moves
14 Ra8 win in 5 half-moves
15 Re8 win in 5 half-moves
16 Kb6 draw
17 Kc6 draw
18 Kd6 draw
19 Kd8 draw
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves