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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kb1 draw
3 Kd1 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf7 draw
14 Rg2 draw
15 Rg3 draw
16 Rg8 draw
17 Rh7 draw
18 Ka2 loss in 2 half-moves
19 Kb2 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves