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 Ke2 draw
3 Ke3 draw
4 Kg3 draw
5 Rc7 draw
6 Rc8 draw
7 Rg4 draw
8 Rh4 draw
9 Kf2 loss in 14 half-moves
10 Kg2 loss in 4 half-moves
11 Ke4 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves