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 Re6 draw
8 Rf6 draw
9 Rg6 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves