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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd5 draw
8 Kd6 draw
9 Kf6 draw
10 Kf7 draw
11 Kf8 draw
12 Kg6 draw
13 Kg8 draw
14 Kh6 draw
15 Kh7 draw
16 Kh8 draw
17 Rh4 draw
18 Rh7 draw
19 Rh8 draw
20 Kd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh3 loss in 2 half-moves