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

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Ke4 loss in 2 half-moves
4 Ke5 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rd4 loss in 1 half-moves
17 Rf2 loss in 1 half-moves