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