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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rb2 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Ra8 draw
5 Rb4 draw
6 Rb5 draw
7 Rg8 draw
8 Rh8 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kde1 loss in 2 half-moves
15 Kde2 loss in 2 half-moves
16 Kde3 loss in 2 half-moves
17 Kf1 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kfe1 loss in 2 half-moves
20 Kfe2 loss in 2 half-moves
21 Kfe3 loss in 2 half-moves
22 Kg1 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc8 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