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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 Rh7 win in 5 half-moves
4 Rh8 win in 13 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb4 draw
8 Kb6 draw
9 Rg3 draw
10 Rh4 draw
11 Kb5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves