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

EGTB: loss in 21 half-moves

# move score
1 Rb3 loss in 20 half-moves
2 Ka3 loss in 18 half-moves
3 Kb3 loss in 12 half-moves
4 Rb2 loss in 12 half-moves
5 Rb1 loss in 8 half-moves
6 Ka1 loss in 4 half-moves
7 Kb1 loss in 4 half-moves
8 Kb2 loss in 4 half-moves
9 Ra4 loss in 4 half-moves
10 Rb5 loss in 2 half-moves
11 Rb6 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 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves