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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Kd2 draw
8 Ke1 draw
9 Ke2 draw
10 Ra3 draw
11 Ra7 draw
12 Rh8 draw
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves