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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rg4 win in 1 half-moves
3 Rg5 win in 1 half-moves
4 Rg1 draw
5 Rg2 draw
6 Rg6 draw
7 Rg7 draw
8 Rh3 draw
9 Ra3 loss in 4 half-moves
10 Kg8 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Kg6 loss in 1 half-moves
19 Kg7 loss in 1 half-moves