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

EGTB: loss in 9 half-moves

# move score
1 Rb7 loss in 8 half-moves
2 Kb7 loss in 6 half-moves
3 Ra8 loss in 6 half-moves
4 Kb5 loss in 4 half-moves
5 Ka5 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves