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

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Kc8 win in 5 half-moves
4 Rb6 win in 5 half-moves
5 Kc7 win in 13 half-moves
6 Kc6 draw
7 Kd6 draw
8 Kd8 draw
9 Kde7 draw
10 Kde8 draw
11 Ke6 draw
12 Kf7 draw
13 Kfe7 draw
14 Kfe8 draw
15 Kg7 draw
16 Kg8 draw
17 Ra3 draw
18 Rb4 draw
19 Rb5 draw
20 Rb7 draw
21 Rb8 draw
22 Rh3 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rd3 loss in 2 half-moves
27 Re3 loss in 2 half-moves