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