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

EGTB: win in 4 half-moves

# move score
1 Khh7 win in 3 half-moves
2 Kgg7 win in 5 half-moves
3 Rf6 win in 5 half-moves
4 Rh6 win in 5 half-moves
5 Kf7 draw
6 Kf8 draw
7 Kgh7 draw
8 Khg7 draw
9 Rc6 draw
10 Rd1 draw
11 Rd2 draw
12 Rd3 draw
13 Rd4 draw
14 Rd5 draw
15 Re6 draw
16 Rg6 draw
17 Ra6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves