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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb7 win in 5 half-moves
3 Rh3 draw
4 Kb6 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kcc6 loss in 2 half-moves
8 Kcc8 loss in 2 half-moves
9 Kcd6 loss in 2 half-moves
10 Kcd8 loss in 2 half-moves
11 Kdc6 loss in 2 half-moves
12 Kdc8 loss in 2 half-moves
13 Kdd6 loss in 2 half-moves
14 Kdd8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rg3 loss in 2 half-moves