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 Kg4 draw
3 Kg5 draw
4 Kh4 draw
5 Rc4 draw
6 Rd4 draw
7 Re2 draw
8 Re3 draw
9 Re5 draw
10 Re6 draw
11 Rf4 draw
12 Rh4 draw
13 Kg6 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves