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

EGTB: loss in 13 half-moves

# move score
1 Ka5 loss in 12 half-moves
2 Kb6 loss in 8 half-moves
3 Ra5 loss in 8 half-moves
4 Rb6 loss in 8 half-moves
5 Rb7 loss in 8 half-moves
6 Ka7 loss in 4 half-moves
7 Kb7 loss in 4 half-moves
8 Rb8 loss in 4 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves