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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Kd7 win in 3 half-moves
4 Kc7 draw
5 Kc8 draw
6 Ke3 draw
7 Ke8 draw
8 Ra3 draw
9 Rc1 draw
10 Rc2 draw
11 Rc7 draw
12 Rc8 draw
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves