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 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Rc5 win in 1 half-moves
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Ra5 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rh5 loss in 2 half-moves