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 Rc1 draw
3 Rc2 draw
4 Rc3 draw
5 Rc7 draw
6 Rc8 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 Kg4 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves