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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kg6 draw
5 Kh4 draw
6 Kh5 draw
7 Kh6 draw
8 Rd4 draw
9 Rf4 draw
10 Rh4 draw
11 Rg1 loss in 4 half-moves
12 Rg2 loss in 4 half-moves
13 Rg3 loss in 4 half-moves
14 Kf6 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves