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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Kf1 win in 5 half-moves
4 Kf2 win in 5 half-moves
5 Kb1 draw
6 Kb2 draw
7 Kc2 draw
8 Kcd1 draw
9 Kcd2 draw
10 Ke2 draw
11 Ked1 draw
12 Ked2 draw
13 Ra5 draw
14 Rd5 draw
15 Rh1 draw
16 Rh2 draw
17 Rh3 draw
18 Rh4 draw
19 Rh6 draw
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves