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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rd4 win in 1 half-moves
5 Re4 win in 1 half-moves
6 Ka2 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Kb2 loss in 1 half-moves
18 Rb2 loss in 1 half-moves