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 Kgh3 draw
3 Khh1 draw
4 Khh3 draw
5 Ra3 draw
6 Rg5 draw
7 Rh3 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kgg1 loss in 2 half-moves
12 Kgh1 loss in 2 half-moves
13 Khg1 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves