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 Kg3 draw
3 Kg4 draw
4 Kg5 draw
5 Kg7 draw
6 Kg8 draw
7 Kh3 draw
8 Kh5 draw
9 Kh7 draw
10 Rf5 draw
11 Rf6 draw
12 Rf7 draw
13 Rf8 draw
14 Rg4 draw
15 Ra4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves