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 Kb1 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Ka1 draw
5 Kf3 draw
6 Rg1 draw
7 Rg7 draw
8 Rg8 draw
9 Rh3 draw
10 Ka3 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves