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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re7 win in 1 half-moves
3 Rg7 win in 3 half-moves
4 Ra7 draw
5 Rb2 draw
6 Rb3 draw
7 Rb5 draw
8 Rb6 draw
9 Rc7 draw
10 Rd7 draw
11 Rf7 draw
12 Rb1 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rh7 loss in 2 half-moves