Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb6 draw
5 Kf4 draw
6 Rg6 draw
7 Rh4 draw
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves