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 Rc4 win in 1 half-moves
3 Rd4 win in 1 half-moves
4 Rf1 loss in 6 half-moves
5 Rf2 loss in 4 half-moves
6 Rf3 loss in 4 half-moves
7 Ka1 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Re4 loss in 1 half-moves
22 Rf8 loss in 1 half-moves