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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ke5 draw
11 Ke7 draw
12 Kf5 draw
13 Kf6 draw
14 Kf7 draw
15 Rc3 draw
16 Rh4 draw
17 Rh5 draw
18 Rh6 draw
19 Rh8 draw
20 Ra3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves