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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kc7 draw
3 Rc8 draw
4 Re8 draw
5 Rf8 draw
6 Rg8 draw
7 Rh1 draw
8 Rh2 draw
9 Rh3 draw
10 Rh5 draw
11 Ka4 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Ka8 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Kc8 loss in 1 half-moves