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