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

EGTB: win in 4 half-moves

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