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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kf7 draw
11 Kf8 draw
12 Kg7 draw
13 Kh7 draw
14 Kh8 draw
15 Ra3 draw
16 Rh4 draw
17 Rh5 draw
18 Rh6 draw
19 Rh8 draw
20 Rb3 loss in 2 half-moves
21 Rc3 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