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 Kc5 draw
3 Kc6 draw
4 Kd4 draw
5 Ke4 draw
6 Ke5 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Rc5 draw
11 Rc6 draw
12 Rg4 draw
13 Rh4 draw
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves