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 Rf4 draw
14 Kf3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves