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

EGTB: win in 6 half-moves

# move score
1 Ra2 win in 5 half-moves
2 K7b7 draw
3 K7b8 draw
4 K8b7 draw
5 K8b8 draw
6 Re2 draw
7 Rf1 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rg2 draw
12 Rh2 draw
13 Ka6 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves