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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Ka3 win in 3 half-moves
5 K4b4 draw
6 K5b4 draw
7 K5b5 draw
8 Ra6 draw
9 Rb1 draw
10 Rb4 draw
11 Rb5 draw
12 Rb7 draw
13 Rb8 draw
14 Rc6 draw
15 Rd6 draw
16 Rh6 draw
17 K4b5 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Rb2 loss in 1 half-moves
20 Re6 loss in 1 half-moves
21 Rg6 loss in 1 half-moves