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 K5b6 win in 7 half-moves
3 K5c6 win in 7 half-moves
4 K5d6 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb5 win in 7 half-moves
7 Kb7 win in 7 half-moves
8 Kb8 win in 7 half-moves
9 Kc4 win in 7 half-moves
10 Kd4 win in 7 half-moves
11 Kd5 win in 7 half-moves
12 Kd7 win in 7 half-moves
13 Ra8 win in 7 half-moves
14 Re8 win in 7 half-moves
15 Kd8 win in 15 half-moves
16 K7b6 draw
17 K7c6 draw
18 K7d6 draw
19 Rd8 draw
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves