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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ke4 draw
3 Ke5 draw
4 Ke6 draw
5 Kg4 draw
6 Kg5 draw
7 Rd4 draw
8 Rf1 draw
9 Rf2 draw
10 Rf3 draw
11 Rg4 draw
12 Kf6 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves