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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Rb6 win in 9 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kcc7 draw
7 Kcd7 draw
8 Kdc7 draw
9 Kdd7 draw
10 Ke6 draw
11 Ke7 draw
12 Ra1 draw
13 Rh1 draw
14 Kb5 loss in 2 half-moves
15 Kcc5 loss in 2 half-moves
16 Kcd5 loss in 2 half-moves
17 Kdc5 loss in 2 half-moves
18 Kdd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves