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 Kf1 draw
3 Kf2 draw
4 Kg1 draw
5 Kh1 draw
6 Kh2 draw
7 Kh3 draw
8 Rg3 draw
9 Rh7 draw
10 Rb7 loss in 4 half-moves
11 Rc7 loss in 4 half-moves
12 Kf3 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Ra7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves
19 Re7 loss in 1 half-moves
20 Rf7 loss in 1 half-moves