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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 K6g7 draw
3 K6h7 draw
4 K8g7 draw
5 K8h7 draw
6 Kg5 draw
7 Kg6 draw
8 Kg8 draw
9 Kh5 draw
10 Rc1 draw
11 Rc2 draw
12 Rc6 draw
13 Rc8 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rh7 draw
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves