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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd7 win in 3 half-moves
3 Re7 win in 3 half-moves
4 Rb1 win in 5 half-moves
5 Rb2 win in 5 half-moves
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Kd1 draw
10 Kd3 draw
11 Ke1 draw
12 Kf1 draw
13 Kh1 draw
14 Ra7 draw
15 Rb6 draw
16 Rb8 draw
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves