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