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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc1 loss in 4 half-moves
3 d8=B loss in 2 half-moves
4 d8=K loss in 2 half-moves
5 d8=N loss in 2 half-moves
6 d8=Q loss in 2 half-moves
7 d8=R loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rc3 loss in 1 half-moves
17 Rc7 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Rf4 loss in 1 half-moves