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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 win in 5 half-moves
3 Rb6 win in 5 half-moves
4 Rb1 draw
5 Rb2 draw
6 Rb5 draw
7 Rc8 draw
8 Rg8 draw
9 Rh8 draw
10 K4d5 loss in 2 half-moves
11 K4e5 loss in 2 half-moves
12 K4f5 loss in 2 half-moves
13 K6d5 loss in 2 half-moves
14 K6e5 loss in 2 half-moves
15 K6f5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Kf4 loss in 2 half-moves
24 Kf6 loss in 2 half-moves
25 Kf7 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rf8 loss in 2 half-moves