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

EGTB: win in 6 half-moves

# move score
1 Rg1 win in 5 half-moves
2 Ra1 draw
3 Rb1 draw
4 Re2 draw
5 Re3 draw
6 Re4 draw
7 Re5 draw
8 Rf1 draw
9 Rh1 draw
10 K6g7 loss in 2 half-moves
11 K6h7 loss in 2 half-moves
12 K8g7 loss in 2 half-moves
13 K8h7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves