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

EGTB: loss in 5 half-moves

# move score
1 Ra4 loss in 4 half-moves
2 Ka1 loss in 2 half-moves
3 Ka2 loss in 2 half-moves
4 Kb2 loss in 2 half-moves
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rb5 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 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 Rb7 loss in 1 half-moves
18 Rb8 loss in 1 half-moves