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 Kd3 draw
3 Kd4 draw
4 Ke3 draw
5 Kf3 draw
6 Kf5 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rf8 draw
11 Rh4 draw
12 Kd5 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves