Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Kf5 draw
6 Rb4 draw
7 Rc5 draw
8 Rc6 draw
9 Rc7 draw
10 Rd4 draw
11 Re4 draw
12 Rc8 loss in 12 half-moves
13 Ke6 loss in 4 half-moves
14 Kf6 loss in 4 half-moves
15 Ke4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves