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 Kd8 draw
3 Kf8 draw
4 Ra4 draw
5 Rc1 draw
6 Rc2 draw
7 Rc6 draw
8 Rc7 draw
9 Rc8 draw
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc5 loss in 2 half-moves