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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kc4 draw
7 Kc5 draw
8 Ra2 draw
9 Ra4 draw
10 Ra5 draw
11 Ra6 draw
12 Rb1 draw
13 Rf1 draw
14 Rg1 draw
15 Rh1 draw
16 Kb6 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves