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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Ka2 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kaa4 loss in 2 half-moves
14 Kab4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kba4 loss in 2 half-moves
19 Kbb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves