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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kh1 draw
6 Kh3 draw
7 Re1 draw
8 Re3 draw
9 Re4 draw
10 Re5 draw
11 Rb2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Re6 loss in 1 half-moves