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 Rg6 win in 3 half-moves
3 Rg7 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Kc7 win in 5 half-moves
6 Rc3 win in 5 half-moves
7 Rg8 win in 9 half-moves
8 Kaa7 draw
9 Kab7 draw
10 Kba7 draw
11 Kbb7 draw
12 Rd3 draw
13 Re3 draw
14 Rf3 draw
15 Rg4 draw
16 Rh3 draw
17 Kaa5 loss in 2 half-moves
18 Kab5 loss in 2 half-moves
19 Kba5 loss in 2 half-moves
20 Kbb5 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves