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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Kd5 win in 3 half-moves
4 Kc3 draw
5 Kc4 draw
6 Kd3 draw
7 Ke3 draw
8 Ke4 draw
9 Ra5 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc4 draw
14 Rd5 draw
15 Re5 draw
16 Rf5 draw
17 Ke5 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves