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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Kd7 win in 5 half-moves
8 Nd6 win in 5 half-moves
9 Ne5 win in 5 half-moves
10 Ng5 win in 5 half-moves
11 Nh6 win in 5 half-moves
12 Nh8 win in 5 half-moves
13 Rg8 win in 5 half-moves
14 Rh8 win in 5 half-moves
15 Kb8 win in 7 half-moves
16 Kc8 win in 7 half-moves
17 Kd8 win in 7 half-moves
18 Re8 win in 7 half-moves
19 Nd8 loss in 4 half-moves
20 Rc8 loss in 4 half-moves
21 Rb8 loss in 2 half-moves