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 Kg5 draw
3 Kh5 draw
4 Re1 draw
5 Kg3 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Kh3 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves