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

EGTB: loss in 5 half-moves

# move score
1 Ka5 loss in 4 half-moves
2 Ka7 loss in 4 half-moves
3 Ra2 loss in 4 half-moves
4 Ra3 loss in 4 half-moves
5 Rb1 loss in 4 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 1 half-moves