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 Kd4 draw
3 Kd5 draw
4 Kf4 draw
5 Kf5 draw
6 Ra4 draw
7 Rc2 draw
8 Rc3 draw
9 Rc5 draw
10 Rc6 draw
11 Rd4 draw
12 Re4 draw
13 Ke4 loss in 8 half-moves
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rc1 loss in 1 half-moves