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 Rb3 win in 3 half-moves
3 Rb1 win in 11 half-moves
4 Ra6 draw
5 Rb4 draw
6 Rb5 draw
7 Rd6 draw
8 Re6 draw
9 Rf6 draw
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kh1 loss in 2 half-moves
24 Kh2 loss in 2 half-moves
25 Kh3 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc6 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh6 loss in 2 half-moves