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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rb3 win in 7 half-moves
4 Rb5 win in 7 half-moves
5 Ra8 draw
6 Rb1 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kdd4 loss in 2 half-moves
17 Kde4 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ked4 loss in 2 half-moves
22 Kee4 loss in 2 half-moves
23 Kf2 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Kf4 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rd8 loss in 2 half-moves
30 Re8 loss in 2 half-moves