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 Rb5 win in 1 half-moves
3 Rc7 win in 1 half-moves
4 Rb2 draw
5 Rb4 draw
6 Ka2 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Kb2 loss in 1 half-moves