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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Rg5 draw
7 Rg6 draw
8 Rg8 draw
9 Rh7 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kgg1 loss in 2 half-moves
14 Kgg3 loss in 2 half-moves
15 Kgh1 loss in 2 half-moves
16 Kgh3 loss in 2 half-moves
17 Khg1 loss in 2 half-moves
18 Khg3 loss in 2 half-moves
19 Khh1 loss in 2 half-moves
20 Khh3 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg3 loss in 2 half-moves