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 Ka6 draw
3 Ka8 draw
4 Kd3 draw
5 Kd4 draw
6 Ke3 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rh4 draw
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves