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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Rb1 win in 5 half-moves
4 Rb2 win in 5 half-moves
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Kd1 draw
9 Kd3 draw
10 Ke1 draw
11 Ke2 draw
12 Kf1 draw
13 Kf2 draw
14 Kg1 draw
15 Kh1 draw
16 Kh2 draw
17 Ra8 draw
18 Rb7 draw
19 Re8 draw
20 Ke3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kh3 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rb6 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves