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 Kb1 draw
3 Kb2 draw
4 Kc7 draw
5 Kc8 draw
6 Kd7 draw
7 Ra4 draw
8 Ra5 draw
9 Ra8 draw
10 Rb2 draw
11 Rc2 draw
12 Rd2 draw
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves