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

EGTB: win in 10 half-moves

# move score
1 Rb7 win in 9 half-moves
2 Rd2 draw
3 Ka3 loss in 2 half-moves
4 Ka4 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re7 loss in 2 half-moves