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

EGTB: win in 4 half-moves

# move score
1 Kgg5 win in 3 half-moves
2 Kgg7 win in 3 half-moves
3 Kgh7 win in 3 half-moves
4 Khg5 win in 3 half-moves
5 Khg7 win in 3 half-moves
6 Khh7 win in 3 half-moves
7 Rg5 win in 3 half-moves
8 Kf7 draw
9 Khh5 draw
10 Re4 draw
11 Rg1 draw
12 Rg2 draw
13 Rg3 draw
14 Rh4 draw
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kgh5 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves