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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka7 draw
5 Kaa5 draw
6 Kab5 draw
7 Kb3 draw
8 Kb6 draw
9 Kb7 draw
10 Kba5 draw
11 Kbb5 draw
12 Kc3 draw
13 Ra8 draw
14 Rb8 draw
15 Rc8 draw
16 Rg8 draw
17 Rh1 draw
18 Rh2 draw
19 Rh4 draw
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves