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

EGTB: loss in 9 half-moves

# move score
1 Rb1 loss in 8 half-moves
2 Ra4 loss in 6 half-moves
3 Ka4 loss in 4 half-moves
4 Ka6 loss in 4 half-moves
5 Ra2 loss in 4 half-moves
6 Ra3 loss in 4 half-moves
7 Rh1 loss in 4 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Re1 loss in 1 half-moves