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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rb8 draw
3 Kf2 loss in 2 half-moves
4 Kf3 loss in 2 half-moves
5 Kf4 loss in 2 half-moves
6 Kgg2 loss in 2 half-moves
7 Kgg4 loss in 2 half-moves
8 Kgh2 loss in 2 half-moves
9 Kgh4 loss in 2 half-moves
10 Khg2 loss in 2 half-moves
11 Khg4 loss in 2 half-moves
12 Khh2 loss in 2 half-moves
13 Khh4 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves