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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 K7f7 draw
3 K7f8 draw
4 K7h7 draw
5 K7h8 draw
6 K8f7 draw
7 K8f8 draw
8 K8h7 draw
9 K8h8 draw
10 Kf6 draw
11 Kg6 draw
12 Kh6 draw
13 Ra3 draw
14 Re3 draw
15 Rf3 draw
16 Rg4 draw
17 Rg5 draw
18 Rh3 draw
19 Rb3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg2 loss in 2 half-moves