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

EGTB: loss in 5 half-moves

# move score
1 Kd1 loss in 4 half-moves
2 Kf1 loss in 4 half-moves
3 Ra1 loss in 4 half-moves
4 Rb6 loss in 4 half-moves
5 Rb7 loss in 4 half-moves
6 Rc1 loss in 4 half-moves
7 Kd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf2 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 Rb5 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rb8 loss in 1 half-moves