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 Ra7 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rb8 draw
7 Re7 draw
8 Ka4 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 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 Kb4 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kb6 loss in 1 half-moves