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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Kc6 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Re4 loss in 1 half-moves