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

EGTB: loss in 11 half-moves

# move score
1 Rb7 loss in 10 half-moves
2 Kb7 loss in 8 half-moves
3 Ra8 loss in 6 half-moves
4 Kd7 loss in 4 half-moves
5 Kb6 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra2 loss in 1 half-moves