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

EGTB: loss in 7 half-moves

# move score
1 Ra7 loss in 6 half-moves
2 Ka1 loss in 4 half-moves
3 Ka2 loss in 4 half-moves
4 Ka3 loss in 4 half-moves
5 Kb1 loss in 4 half-moves
6 Kb3 loss in 4 half-moves
7 Rb5 loss in 4 half-moves
8 Rb6 loss in 4 half-moves
9 Rb8 loss in 4 half-moves
10 Rc7 loss in 4 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves