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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 K1a1 draw
4 K1c1 draw
5 K2a1 draw
6 K2a2 draw
7 K2c1 draw
8 K2c2 draw
9 Ka3 draw
10 Kc3 draw
11 Ra3 draw
12 Rb4 draw
13 Rb5 draw
14 Rf3 draw
15 Rg3 draw
16 Rh3 draw
17 K1a2 loss in 2 half-moves
18 K1c2 loss in 2 half-moves
19 Rb6 loss in 1 half-moves
20 Rb8 loss in 1 half-moves
21 Rc3 loss in 1 half-moves
22 Re3 loss in 1 half-moves