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 Kb8 draw
3 Kd4 draw
4 Kd8 draw
5 Rf1 draw
6 Rf2 draw
7 Rf6 draw
8 Rf7 draw
9 Rf8 draw
10 Rh4 draw
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf5 loss in 2 half-moves