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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kc1 win in 3 half-moves
3 Ra5 win in 5 half-moves
4 Rc5 win in 5 half-moves
5 Ka1 draw
6 Ka2 draw
7 Ka3 draw
8 Kb3 draw
9 Kc3 draw
10 Ke1 draw
11 Kf2 draw
12 Kg1 draw
13 Kg2 draw
14 Rb3 draw
15 Rb4 draw
16 Rd5 draw
17 Re5 draw
18 Rf5 draw
19 Kc2 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves