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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc3 draw
3 Kd3 draw
4 Ke3 draw
5 Ke4 draw
6 Ra4 draw
7 Rc1 draw
8 Rc2 draw
9 Rc5 draw
10 Rc6 draw
11 Rc8 draw
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc7 loss in 2 half-moves