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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rb5 win in 7 half-moves
4 Rc2 win in 7 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kb1 draw
8 Kb2 draw
9 Kb3 draw
10 Kc1 draw
11 Kc2 draw
12 Kc3 draw
13 Kd1 draw
14 Kd3 draw
15 Ke1 draw
16 Ke2 draw
17 Ke3 draw
18 Ra5 draw
19 Rc4 draw
20 Rc6 draw
21 Rh5 draw
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rg5 loss in 2 half-moves