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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb4 win in 7 half-moves
3 Rb6 win in 7 half-moves
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb6 draw
8 Kb8 draw
9 Kbc6 draw
10 Kbc7 draw
11 Kc5 draw
12 Kc8 draw
13 Kd5 draw
14 Kd7 draw
15 Kdc6 draw
16 Kdc7 draw
17 Ke5 draw
18 Ke6 draw
19 Ke7 draw
20 Ra3 draw
21 Rc3 draw
22 Rg3 draw
23 Rb1 loss in 2 half-moves
24 Rb2 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 Rh3 loss in 2 half-moves