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 Kd5 draw
3 Ke5 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf5 draw
8 Rf7 draw
9 Rf8 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Kf5 loss in 1 half-moves