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 Ke4 draw
3 Ke6 draw
4 Kf4 draw
5 Kf5 draw
6 Kf6 draw
7 Rc1 draw
8 Rc3 draw
9 Rc8 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves