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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kc7 win in 5 half-moves
3 Kc8 win in 5 half-moves
4 Kf7 win in 5 half-moves
5 Rc5 win in 5 half-moves
6 Kdd7 draw
7 Kde7 draw
8 Ked7 draw
9 Kee7 draw
10 Kf8 draw
11 Ra5 draw
12 Rb3 draw
13 Rb4 draw
14 Rb6 draw
15 Rb8 draw
16 Rg5 draw
17 Rh5 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf5 loss in 2 half-moves