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 Rc6 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Rb1 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Ka6 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Re6 loss in 1 half-moves
18 Rf6 loss in 1 half-moves