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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rg6 win in 3 half-moves
3 Ra4 draw
4 K6g7 loss in 2 half-moves
5 K6h7 loss in 2 half-moves
6 K8g7 loss in 2 half-moves
7 K8h7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves