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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc2 win in 5 half-moves
3 Rd2 win in 5 half-moves
4 Ra2 draw
5 Rh1 draw
6 Rh6 draw
7 Rh7 draw
8 Rh8 draw
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kcc5 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kcd5 loss in 2 half-moves
15 Kcd7 loss in 2 half-moves
16 Kdc5 loss in 2 half-moves
17 Kdc7 loss in 2 half-moves
18 Kdd5 loss in 2 half-moves
19 Kdd7 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves