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

EGTB: win in 4 half-moves

# move score
1 Kab7 win in 3 half-moves
2 Kab8 win in 5 half-moves
3 Rb7 win in 5 half-moves
4 Ka7 draw
5 Kc7 draw
6 Kcb7 draw
7 Kcb8 draw
8 Kd8 draw
9 Ra6 draw
10 Rb1 draw
11 Rb2 draw
12 Rb8 draw
13 Rc6 draw
14 Rg6 draw
15 Rh6 draw
16 Kd7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves