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 Rb3 win in 5 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kcd7 draw
7 Kcd8 draw
8 Ke7 draw
9 Ked7 draw
10 Ked8 draw
11 Kf7 draw
12 Kf8 draw
13 Ra3 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Rh3 draw
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves