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 Kc3 draw
3 Kc4 draw
4 Kd3 draw
5 Ke3 draw
6 Rf4 draw
7 Rh2 draw
8 Rh3 draw
9 Ke4 loss in 8 half-moves
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Rh1 loss in 1 half-moves