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

EGTB: win in 2 half-moves

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