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 Kh2 draw
4 Kh4 draw
5 Ra4 draw
6 Rc3 draw
7 Rc5 draw
8 Rc6 draw
9 Rc7 draw
10 Rc8 draw
11 Rg4 draw
12 Rh4 draw
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves