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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Ke7 draw
8 Ke8 draw
9 Kg8 draw
10 Ra3 draw
11 Rb1 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Kf7 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves