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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rb2 win in 3 half-moves
4 Ra4 loss in 2 half-moves
5 Rb1 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rb5 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves