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 Re7 win in 1 half-moves
3 Rd4 draw
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Kc4 loss in 1 half-moves
20 Kd4 loss in 1 half-moves
21 Rc4 loss in 1 half-moves