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 Kg2 draw
3 Kg3 draw
4 Kh2 draw
5 Ra4 draw
6 Re4 draw
7 Rf3 draw
8 Rf6 draw
9 Rf8 draw
10 Kg4 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves