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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Rb6 draw
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Kb6 loss in 1 half-moves
19 Rb4 loss in 1 half-moves