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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rb6 win in 3 half-moves
4 Rb1 loss in 4 half-moves
5 Rb2 loss in 4 half-moves
6 Rb3 loss in 4 half-moves
7 Ka7 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves