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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb5 win in 9 half-moves
3 Rb7 win in 9 half-moves
4 K5b6 draw
5 K7b6 draw
6 Ra2 draw
7 Rb1 draw
8 Rb6 draw
9 Re2 draw
10 Rf2 draw
11 Rg2 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd2 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 K5c6 loss in 1 half-moves
28 K5d6 loss in 1 half-moves
29 K7c6 loss in 1 half-moves
30 K7d6 loss in 1 half-moves