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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kg5 draw
5 Kh4 draw
6 Kh5 draw
7 Rb4 draw
8 Rc4 draw
9 Rd4 draw
10 Re3 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Kf3 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves