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 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Kd3 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd4 loss in 2 half-moves