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 Kf3 draw
3 Kf5 draw
4 Kg3 draw
5 Kg4 draw
6 Kg5 draw
7 Re1 draw
8 Re2 draw
9 Re4 draw
10 Re8 draw
11 Rf3 draw
12 Rg3 draw
13 Rh3 draw
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 1 half-moves