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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb2 draw
3 Ka1 loss in 2 half-moves
4 Ka2 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kc1 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rg6 loss in 2 half-moves
12 Rh6 loss in 2 half-moves
13 Rb4 loss in 1 half-moves
14 Rb5 loss in 1 half-moves
15 Rc6 loss in 1 half-moves
16 Rd6 loss in 1 half-moves
17 Re6 loss in 1 half-moves
18 Rf6 loss in 1 half-moves