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