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

EGTB: win in 4 half-moves

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