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 Rb8 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Rh8 win in 3 half-moves
5 Rf8 draw
6 Rg8 draw
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kcd6 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ked6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Kf6 loss in 1 half-moves
21 Kf7 loss in 1 half-moves
22 Kf8 loss in 1 half-moves