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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb4 draw
3 Rb1 loss in 4 half-moves
4 g3 loss in 2 half-moves
5 g4 loss in 2 half-moves
6 Ra2 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rd2 loss in 1 half-moves