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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Kf7 win in 7 half-moves
3 Khg7 win in 7 half-moves
4 Kf8 draw
5 Kgg7 draw
6 Kgh7 draw
7 Khh7 draw
8 Rb4 draw
9 Rg4 draw
10 Rh3 draw
11 Rh5 draw
12 Rh6 draw
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves