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 Ra3 win in 9 half-moves
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kgg2 draw
7 Kgh3 draw
8 Kh1 draw
9 Kh4 draw
10 Khg2 draw
11 Khh3 draw
12 Rc1 draw
13 Rc2 draw
14 Rc4 draw
15 Rc8 draw
16 Kf4 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves