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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Kc1 draw
5 Kc2 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Kf1 draw
10 Kf2 draw
11 Kf3 draw
12 Kg1 draw
13 Kg3 draw
14 Kh1 draw
15 Kh2 draw
16 Kh3 draw
17 Ra4 draw
18 Rb3 draw
19 Rb5 draw
20 Rd4 draw
21 Rh4 draw
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves