One supplication is sufficient in the opening supplication of the prayer
Machine translationRead the Arabic original
Question : Please. Peace be upon you. A question regarding disturbance. He says: Honorable Shaykh, regarding the opening supplication of the prayer, there are several supplications. Is it permissible for me to supplicate with these supplications at the beginning of the prayer, or should I choose one?
Answer : No, no.
Answer : No, no.
Source
قناة «فضيلة الشيخ محمد بن صالح العثيمين»، 362- يكفي دعاء واحد في دعاء الاستفتاح في الصلاة /سؤال على الهاتف 📞 /ابن عثيمين — youtube.com
The Arabic text is a machine transcription of the audio recording.