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 Rg7 win in 3 half-moves
3 Rg6 win in 9 half-moves
4 Rg8 win in 9 half-moves
5 Ra2 draw
6 Rb2 draw
7 Rc2 draw
8 Rg3 draw
9 Rg4 draw
10 Rh2 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Kdd7 loss in 2 half-moves
17 Kde7 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ked7 loss in 2 half-moves
21 Kee7 loss in 2 half-moves
22 Kf7 loss in 2 half-moves
23 Kf8 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves