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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rc1 draw
4 Rd1 draw
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rf4 loss in 1 half-moves
19 Rf6 loss in 1 half-moves