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 loss in 2 half-moves
3 Kf5 loss in 2 half-moves
4 Kf6 loss in 2 half-moves
5 Kg4 loss in 2 half-moves
6 Kg6 loss in 2 half-moves
7 Kh4 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Kh6 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re3 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 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rb4 loss in 1 half-moves
20 Rc4 loss in 1 half-moves
21 Rd4 loss in 1 half-moves
22 Re8 loss in 1 half-moves