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