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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rc1 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Rd3 win in 1 half-moves
5 Ra3 loss in 2 half-moves
6 Rc2 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rc5 loss in 2 half-moves
9 Rc6 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves