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 7 half-moves
4 Ra7 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf1 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kg1 loss in 2 half-moves
23 Kg3 loss in 2 half-moves
24 Kh1 loss in 2 half-moves
25 Kh2 loss in 2 half-moves
26 Kh3 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves