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

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Kd3 draw
3 Kd7 draw
4 Kd8 draw
5 Ke7 draw
6 Kf3 draw
7 Kf7 draw
8 Kf8 draw
9 Rg6 draw
10 Rg8 draw
11 Rh3 draw
12 Kd2 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves